英语词根

• 词根词缀：peti-, pet-, -pit- 【来源及含义】Latin: to aim at, aim for, go toward; to seek, seek out, ask, request; strive after 【同源单词】 Ad perpetuam rei memoriam , appetence , appetency , appetent , appetently , appetite
• 词根词缀：-petalous 【来源及含义】Greek: in botany, a suffix combining form meaning, "having a certain number or a certain shape of petals" 【同源单词】 andropetalous , anisopetalous , apetalous , dipetalous , enneapetalous , monopetalous
• 词根词缀：petalo-, petal- 【来源及含义】Greek: leaf; from the adjective petalos , "flat, spread out" 【同源单词】 petal , petaliferous , petaliform , petalody , petaloid , petalomania
• 词根词缀：peta- 【来源及含义】Greek: derived from penta-, "five"; a decimal prefix used in the international metric system for measurements 【相关描述】Used in the metric [decimal] system as one quadrillion [U.S.] or thousand billionfold [U.K.], 1015 [1 000 000 000 000 000] The metric symbol for peta - is P . 【相关词根词缀】;Related "metric" families: ; yotta ; ; zetta , exa ; ; tera , giga
• 词根词缀：pesti-, pest- 【来源及含义】Latin: plague, contagion 【同源单词】 nonpersistent pesticide , persistent pesticide , pest , pest resurgence , pesthouse , pesticemia
• 词根词缀：pessim- 【来源及含义】Latin: bad, worst 【相关词根词缀】Inter-related cross references, directly or indirectly, involving word units meaning "bad, wrong" : ; caco-, kako- , dys- , mal- , mis- , sceler- . 【同源单词】 Afro-pessimism , pessimal , pessimism , pessimist , pessimistic , pessimistically
• 词根词缀：person-, parson- 【来源及含义】Latin: human being; originally, character in a drama, mask 【同源单词】 dramatis personae , impersonal , impersonally , impersonate , impersonation , impersonator
• 词根词缀：persever- 【来源及含义】Latin: to continue steadfastly, to persist 【同源单词】 Disciplina , Patientia et perseverantia , perseverance , Perseverando , perseverant , Perseverantia ad finem optatum
• 词根词缀：pero- 【来源及含义】Greek: maimed, crippled; deformed, malformed 【同源单词】 perobrachius , perocephalus , perocephaly , perochirus , perodactylus , perodactyly
• 词根词缀：perit-, perien-, peri- 【来源及含义】Latin: test, tested; try; experiment; risk, danger, dangerous, hazardous 【同源单词】 experience , experienced , experiential , experientialism , experientialist , experientially
• 词根词缀：peristera-, perister- 【来源及含义】Greek: pigeon, dove 【同源单词】 peresterophily , Peristeri , peristeria , peristerite , peristeromorphous , peristeronic
• 词根词缀：perisso-, periss- 【来源及含义】Greek: extraordinary; superfluous, redundant; odd, odd-numbered 【同源单词】 perissodactyl , Perissodactyla , perissodactylism , perissodactylous , perissology , perissoped
• 词根词缀：perine-, perineo- 【来源及含义】Greek: space between the scrotum or mons veneris and the anus 【同源单词】 adominoperineal , anoperineal , colpoperineoplasty , colpoperineorrhaphy , episioperineoplasty , episioperineorrhaphy
• 词根词缀：peri- 【来源及含义】Greek: around, enclosing, surrounding, about, near, close; often used as a prefix 【相关词根词缀】;Related "around, round, surrounding" units: ; ambi- , ampho- ; ; circ- , circum- , cyclo-, -cycle , gyro- . 【同源单词】 abdominal fascia , adominoperineal , aeroperitonia , anoperineal , colpoperineoplasty , colpoperineorrhaphy
• 词根词缀：per- 【来源及含义】Latin: through, across, over; beyond, by means of 【同源单词】 Ad astra per aspera , Ad augusta per angust , Ad perpetuam rei memoriam , Ad virtutem per sapientiam , ampersand , antiperspirant
• 词根词缀：pepto-, pept-, -peptic, pepsi-, -pepsia, -pepsy 【来源及含义】Greek: digestion, able to digest; cook; from "to cook, boil, digest" 【同源单词】 apepsia , apepsinia , bradypepsia , dyscrasia , dyspeptic , eupepsia
• 词根词缀：penthera-; penthero- 【来源及含义】Greek: mother-in-law; father-in-law 【同源单词】 pentheraphilia , pentheraphobia , pentherophilia , pentherophobia
• 词根词缀：penta-, pent-, pente-, pento- 【来源及含义】Greek: five; a number used as a prefix 【同源单词】 molybdenum pentachloride , pentacanth , pentacanthous , pentachord , pentacle , pentactinal
• 词根词缀：penna- 【来源及含义】Latin: feather, feathers; by extension in some situations, wing, wings 【相关词根词缀】;Related "feather, feather-like; soft down, plumage" word units:; pinni-, pin- , plum-, -plume , pterido- , ptero- , ptilo- . 【同源单词】 bipennate muscle , bipennate , brevipennate , empennage , impennate , longipennate
• 词根词缀：-penia- (s), -penias (pl), -penic, pen-, penia- 【来源及含义】Greek Modern Latin: abnormal reduction, decrease in, insufficient, deficiency. Originally, the meaning was poverty, need; sometimes it is erroneously or incorrectly rendered as -poenia 【同源单词】 calcipenia , chloropenia , cytoglucopenia , cytopenia , eosinopenia , erythroblastopenia
• 词根词缀：peni-, pen- 【来源及含义】Latin: paene , almost, nearly 【同源单词】 antepenult , antepenultimate , antepenultimate , Baja California Peninsula , Iberian Peninsula , peninsula
• 词根词缀：penetra-, penetr- 【来源及含义】Latin: penetrare, penetratus , to go into, to enter, to pierce; to pass through, to pass into; a place within 【同源单词】 impenetrable , impenetrableness , impenetrably , nonpenetrative , penetrability , penetrable
• 词根词缀：pend-, -pens, -pense, -pending, -pended 【来源及含义】Latin: hang, hanging; weigh, weighing; to cause to hang down; related to words in this pond- unit. 【同源单词】 antependium , append , appendage , appendalgia , appendant , appendectomy
• 词根词缀：pemphig-, pemphi- 【来源及含义】Greek: pemphix , "blister"; blistering skin diseases or a swelling of the skin that contains watery fluid and is caused by burning or irritation; a bump or small swelling on or beneath the skin 【相关词根词缀】;Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": ; bull- , ichor- , papulo- , puro- , pus- , pustu- ,
• 词根词缀：pelvi-, pelvio-, pelvo-, pelyco- 【来源及含义】Latin: basin; basin-shaped structure of the body 【同源单词】 abdominopelvic , android pelvis , asymmetrical pelvis , cephalopelvic , chronic idiopathic pelvic pain , dolichopellic
• 词根词缀：pelt-, pelto-, pelti- 【来源及含义】Greek: shield; small-light shield 【同源单词】 bipeltate , pelta , peltast , peltastiform , peltated , peltation
• 词根词缀：pelago-, pelag- 【来源及含义】Greek [ pelagos ] Latin [ pelagicus ]: sea, pertaining to the sea or ocean 【相关描述】Sea depths are estimates and the number of feet versus meters is calculated at 3.28 feet per meter. 【相关词根词缀】Inter-related cross references, directly or indirectly, involving the "sea" and the "ocean" bodies of water: ; abysso- (bottomless), Atlantic , batho-, bathy- (de
• 词根词缀：pel-, pelo- 【来源及含义】Greek: mud, earth, clay 【相关描述】Don't confuse this pel- unit with another pel- group meaning "push, beat, strike, knock, drive". 【相关词根词缀】;Cross references of word families related directly, or indirectly, to: "land, ground, fields, soil, dirt, mud, clay, earth (world)" : ; agra- , agrest- , agri- , agro- , argill- , choro- , chthon- , epeiro- , geo- ,
• 词根词缀：pel-, -pell, -pellent, -peal 【来源及含义】Latin: push, beat, strike, knock, drive 【相关描述】Don't confuse this pel- unit with another pel- group meaning "mud, earth, clay". 【相关词根词缀】;Cross references of word families that are related directly, or indirectly, to: "push, shove, thrust" : ; osmo- , puls- , trud- . 【同源单词】 appeal , appealable , appealer , appealingly , appealingness , app
• 词根词缀：pejor- 【来源及含义】Latin: worse; diminish, weaken; inferior in quality or condition 【同源单词】 impair , impairer , impairment , pejorate , pejoration , pejorative
• 词根词缀：pego-, -pegic 【来源及含义】Greek: spring, fountain, mineral spring 【同源单词】 pegologist , pegology , pegomancy , pegotherapist , pegotherapy , thermopegic
• 词根词缀：pedo-, ped- 【来源及含义】Greek: pedon , ground, soil, earth 【相关描述】Don't confuse this Greek element with another Greek pedo - that means "child" or the Latin ped which means "foot". 【相关词根词缀】;Cross references of word families related directly, or indirectly, to: "land, ground, fields, soil, dirt, mud, clay, earth (world)" : ; agra- , agrest- , agri- , agro- , argill- , choro-
• 词根词缀：pedo-, paedo-, ped-, paed-, paido-, paid- 【来源及含义】Greek: child, boy; infant 【相关描述】The British tend to use paed- while those in the United States tend to use ped- . Remember that the Greek ped- means "child" while the Latin ped- means "foot". Don't confuse this Greek element with another Greek pedo- which means "ground, soil, earth". 【同源单词】 callipedia , cyclopedia , cyclopedic , encyclopedia , encyclope
• 词根词缀：pediculo-, pedicul-, pedico-, pedic- 【来源及含义】Latin: louse, lousy; of lice 【同源单词】 pediculicide , pediculophobia , phthiriophobia
• 词根词缀：ped-, pedi-, -pedal, -ped, -pede, -pedia 【来源及含义】Latin: foot, feet; people often see this ped element in other words. When people refer to "pedal extremities", they mean "feet". When anyone pushes the pedals of a bicycle, it is done with the feet. A pedestrian must use the feet for walking. A quadruped has four feet while a centipede has "100 feet"; or a large number of them because it may be impossible to count all of them.
• 词根词缀：pecu-, pecun- 【来源及含义】Latin: cattle, property in cattle; private property; money; particular 【相关词根词缀】Cross references of word families related to: "individual, personal": ; idio- , privat-, priv- . 【同源单词】 Avarus non implebitur pecunia , impecuniosity , impecunious , impecuniously , impecuniousness , Nihil tam munitum quod non expugnari pecunia possit
• 词根词缀：pectoro-, pector- 【来源及含义】Latin: breast, chest 【相关词根词缀】;Cross references of word families that are related, partially or totally, to: "breast, breasts, chest": ; mammill- , mammo- , masto- , mastoido- , mazo- , pleuro- , sterno- , stetho- , thorac- . 【同源单词】 Ab imo pectore , angina pectoris , expectorant , expectorate , expectoration , expectorative
• 词根词缀：pecca-, pecc- 【来源及含义】Latin: to err, to sin, to commit a crime 【相关词根词缀】;Related "sin, sinful" word unit: ; harmarto- . 【同源单词】 impeccability , impeccable , impeccably , peccability , peccable , peccadillo
• 词根词缀：pauci- 【来源及含义】Latin: few, little 【同源单词】 Multi sunt vocati , pauciflorous , paucifoliate , pauciloquence , pauciloquency , pauciloquent
• 词根词缀：path-, patho-, -path-, -pathia, -pathic, -pathology, -pathetic, -pathize, -pathy 【来源及含义】Greek: feeling, sensation, perception; suffering, disease, or disorder; a system of treating diseases 【相关描述】In medicine, some of these elements usually mean "someone who suffers from a disease of, or one who treats a disease"; so, they should not be confused with the words that mean "feeling" which are also shown on these pages even though both meanings come from t
• 词根词缀：pater-, patri-, patro-, patr-, -patria 【来源及含义】Latin: father, dad, pop (family member); fatherland, country, nation 【同源单词】 allopatric , allopatric , allopatric speciation , allopatrically , allopatry , amor patriae
• 词根词缀：patent- 【来源及含义】Latin: to be open, lying open, to lie open 【同源单词】 patent , patentability , patentable , patentee , patently , patentor
• 词根词缀：past-
• 词根词缀：pass-, pati- 【来源及含义】Latin: suffering, feeling; enduring 【相关词根词缀】;Related-word units meaning feeling : ; aesth- , senso- , patho- . 【同源单词】 compassion , compassionate , compassionately , compassionless , compassive , compassivity
• 词根词缀：pass-, pace- 【来源及含义】Latin: step, stepping 【同源单词】 apace , astrocompass , compass , compasses , electronic pacemaker , encompass
• 词根词缀：parvo-, parvi- 【来源及含义】Latin: [ parvus ] small, little; minute, minuscule 【同源单词】 multum in parvo , parvalbumin , parvalbumins , parvanimity , parvenu , parvicellular
• 词根词缀：partheno-, partho- 【来源及含义】Greek: virgin, maiden, young girl 【同源单词】 parhenogenetically , partheniad , parthenian , parthenic , parthenocarpy , parthenogenesis
• 词根词缀：part-, parti- 【来源及含义】Latin: part, parts, to divide 【同源单词】 ad partes dolentes , apart , apartment , apartness , bipartisan , compartment
• 词根词缀：parieto-, pariet- 【来源及含义】Latin: wall [of a house], walls; used in the extended sense of "the walls of a cavity or organ of the body" 【相关词根词缀】;A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube" : ; alveolo- , antro- , anu- , celo- , coelio- , concho- , fenestra- , hernio- , hiat- , meato- , ora- , p
• 词根词缀：pari-, par- 【来源及含义】Greek: same, equal, equality, equal value 【相关词根词缀】;Inter-related cross references, directly or indirectly, involving word units dealing with "equal, identical, same, similar" :; auto- , emul- , equ-, equi- , homeo- , homo- , iso- , peer , rhomb- , syn- , tauto- . 【同源单词】 comparable , comparably , comparative , comparatively , comparativeness , compar
• 词根词缀：pare-, pari-, pear- 【来源及含义】Latin: to come forth, to be visible, to come in sight 【相关词根词缀】;Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": ; blep- , delo- , demonstra- , opt- , -orama , phanero- , phant- , pheno- , scopo- , spec- , vela-, veal- , video-, visuo- . 【同源单词】 apparency , ap
• 词根词缀：para-, par-, -parous, -partum 【来源及含义】Greek Latin: to bring forth, to bear; producing viable offspring; giving birth to; brood; secreting 【同源单词】 albuminiparous , alloparent , alloparental , ambiparous , andropara , androparous
• 词根词缀：para-, par- 【来源及含义】Greek: by the side of, beside, past, beyond; contrary, wrong, irregular, abnormal 【同源单词】 abdominal paracentesis , acroparalysis , acroparesthesia , Ad utrumque paratus , adelphoparasite , alloparasite
• 词根词缀：par-, para- 【来源及含义】Latin: to make ready, to get ready, to put in order; to furnish, to prepare 【同源单词】 absorption apparatus , acoustic apparatus , apparatus , apparatus digestorius , apparatus respiratorius , apparel
• 词根词缀：papyro-, papyr- 【来源及含义】Greek: papyros Latin Old French; papyrus , an Egyptian rush [a reed plant] from which material was made for writing or drawing. Used in the sense of "fibrous material on which to write or to draw"; paper 【同源单词】 papyr , papyraceous , papyral , papyrian , papyriferous , papyrin
• 词根词缀：papulo-, papul-, papuli- 【来源及含义】Latin: pimple, pustule 【相关词根词缀】;Cross references directly, or indirectly, involving the "skin" :; callus- , chorio- , cicatri- (scar), cori- , cuti- , hymen- , lepido- (scab, scale), psoro- (itch, mange), pustu- (blister, pimple), rhytid- (wrinkle), scabio- (mange, itchy), sebo- (grease, oil). bull- , ichor- , pemphig- , puro- , pus- , pustu- , pyo- , suppurant
• 词根词缀：papillo-, papill-, papilli- 【来源及含义】Latin: nipple; nipple-shaped elevation or growth 【同源单词】 human papilloma viruses , juxtapapillary , myxopapilloma , papilla , papilla of the breast , papillary
• 词根词缀：papaver- 【来源及含义】Latin: poppy; used in extended senses to mean "pertaining to, containing, or derived from opium" 【同源单词】 papaver , papaveraceous , papaveretum , papaverine , papavero , papaverous
• 词根词缀：pand-, pans-, pass- 【来源及含义】Latin: stretch, stretching; spread, spreading 【同源单词】 expand , expander , expanse , expansibility , expansible , expansibleness
• 词根词缀：pancre-, pancreo-, pancreat-, pancreato-, pancreatic-, pancreatico- 【来源及含义】Greek: pancreas [ pan , "all" plus kreas , "flesh"; the idea apparently being that the pancreas is an organ composed entirely of glandular flesh] 【同源单词】 angiopancreatitis , apancreatic , cholangiopancreatography , duodenopancreatectomy , hypopancreorrhea , lienopancreatic
• 词根词缀：pan-, panto-, pant- 【来源及含义】Greek: all, every, entire 【相关词根词缀】;Related "all, every" word unit: ; omni- . 【同源单词】 apantomancy , orthopantograph , orthopantomography , Pan , panacea , Pan-American
• 词根词缀：pan- 【来源及含义】Latin: panis, bread 【同源单词】 accompaniment , accompany , companion , companionable , companionship , panarium
• 词根词缀：palyn- 【来源及含义】Greek: pollen, spores 【同源单词】 palynologic , palynological , palynologically , palynologist , palynology
• 词根词缀：paludi-, palud- 【来源及含义】Latin: marsh, marshes, marshy; malarial 【同源单词】 paludal , paludic , Paludicella , paludicoline , paludicolous , paludiferous
• 词根词缀：palpebr- 【来源及含义】Latin: eyelid, eyelids 【同源单词】 acousticopalpebral , interpalpebral , palpebra , palpebra inferior , palpebra superior , palpebral
• 词根词缀：palp-, palpo-, palpi- 【来源及含义】Latin: to touch gently, to stroke; to pat 【同源单词】 impalpability , impalpable , impalpably , labipalpus , light touch palpation , longipalp
• 词根词缀：palmati- 【来源及含义】Latin: marked with the palm of the hand; adorned with palm leaves; used primarily in the sense of "having five lobes that diverge from a common center" [as fingers from an open palm] 【同源单词】 fassipalmate , palmate , palmature , semipalmate , semipalmated , totipalmate
• 词根词缀：palli-, pallio, pallit- 【来源及含义】Latin: mantle, covering; cloak 【相关描述】;To palliate, extenuate, cloak . These words, as here compared, are used in a figurative sense in reference to our treatment of wrong action. We cloak in order to conceal completely. We extenuate a crime when we endeavor to show that it is less than has been supposed; we palliate a crime when we endeavor to cover or conceal its
• 词根词缀：pall- 【来源及含义】Greek: shake, vibration 【同源单词】 apallesthesia , hyperpallesthesia , hypopallesthesia , pallanesthesia , pallanesthesia , pallesthesia
• 词根词缀：pali-; palim-, palin- 【来源及含义】Greek Latin: recurrence, repetitious; back, backward, again; returning, repeating 【同源单词】 palicinesia , paligraphia , palikinesia , palilalia , palilexia , palilogia
• 词根词缀：palato-, palat- 【来源及含义】Latin: roof of the mouth 【同源单词】 alveolopalatal , epalate , glossopalatine , glossopalatolabial , impalatable , mediopalatine
• 词根词缀：palaeo-, palae-, paleo-, pale- 【来源及含义】Greek: original, ancient, primitive, old 【同源单词】 ichthyopaleontology , palaeacanthocephala , palae-ethnology , palaeoclimatology , palaeoichnology , palaeontology
• 词根词缀：-pagus 【来源及含义】Greek: something fixed or fastened together; a suffix that denotes conjoined twins, the first element of a word denotes the parts fused 【同源单词】 craniopagus , omphalopagus , pygopagus , thoracogastropagus , thoracopagus
• 词根词缀：pago-, pag-, pagan- 【来源及含义】Latin: originally, country area, province; villager; more recent meanings: heathen, atheist; idolatrous, idol worshippers; heretic, heretical 【同源单词】 neopagan , neopagan , neopaganism , neopaganist , neopaganize , pagan
• 词根词缀：pago-, pag- (peak) 【来源及含义】Greek: a "peak", but used by ecologists in the restricted sense of "foothill" 【相关描述】Be aware that there is another Greek pago- unit that refers to "ice". 【同源单词】 pagophilous , pagophily , pagophyte
• 词根词缀：pago-, pag- (cold, freezing) 【来源及含义】Greek: cold, frost, freezing; fixed or hardened; united 【相关描述】Be aware that there is another Greek pago- unit that refers to a "peak"; however, it is used by biologists and ecologists in the restricted sense of "foothill". 【相关词根词缀】;Cross references of word families that are related directly or indirectly to "winter, freezing, frost, and/or cold" : ;
• 词根词缀：pachy-, pacho-, pach- 【来源及含义】Greek: thick, dense; large, massive 【相关描述】This element is used in the formation of botanical, zoological, and pathological or medical terms. 【同源单词】 acropachy , acropachyderma , blepharopachynsis , isopach , isopachous , isopachy
• 词根词缀：pac-, peac-, peas- 【来源及含义】Latin: peace, peaceful, calm, quiet; eased anger or agitation 【相关词根词缀】;Cross references directly, or indirectly, involving "calm, calmness, peace, quiet" :; plac- , quies-, quiet- , seren- . 【同源单词】 Abi in pace , appeasableness , appeasably , appease , appeasement , appeaser
• 后缀：-proof [形容词后缀] 后缀： -proof [形容词后缀] 表示防...的，不透...的 fireproof 防火的 waterproof 防水的 rainproof 防雨的 coldproof 抗寒的 smokeproof 防烟的 airproof 不透气的 lightproof 不透光的 soundproof 隔音的 bombproof 防炸弹的 gasproof 防毒气的
• 前缀：pseudo- 假(在元音前作pseud-) pseudo-democratic 假民主的 pseudoclassic 伪古典的 pseudomyopia 假性近视 pseudoscience 伪科学 pseudopregnancy 假孕 pseudonym 假名，笔名 pseudocrystal 伪晶体 pseudology 谎话 pscudocompound 假化合物 pseudograph 伪书，冒名作品
• 前缀：proto- 原始 protogenic 原生的 protocontinent 原始大陆 protohistory 史前时期 protozoolgy 原生动物 prototype 原型 protohuman 早期原始人的
• 前缀：pro- 1、向前，在前 progress 向前进，进步 prospect 向前看，展望 prolong 向前延长 protrude 向前伸出 project 向前投出，射出 promote 促进，提升 prologue 前言，序言 propel 推进 2、代理、代替 pronoun 代名词，代词 procurator 代理人 pro-consul 代理领事 prolocutor 代言人 3、拥护、新、赞成 pro-British 亲英的 pro-Bloshevik 拥护布尔什
• 前缀：pre- 1、前 prewar 战前的 preposition 前置词，介词 pre-liberation 解放前的 prefix 前缀 preschool 学龄前的 predawn 黎明前的 prehistory 史前期 preteen 十三岁以前的孩子 precondition 前提 prehuman 人类以前的 preconference 会议前的 predeparture 出发前的 2、预先 preexamination 预试 prepay 预付 prebuilt 预建的，预制的 prejudge 预先判断 premad
• 前缀：post- 后 postwar 战后的 postdate 把日期填迟 post-liberation 解放后的 postpone 推后，延期 postgraduate 大学毕业后的，研究生 postmeridian 午后的 posttreatment 治疗期以后的 postoperative 手术以后的 postnatal 诞生后的，产后的 postface 刊后语
• 前缀：poly- 多 polycentric 多中心的 polytechnical 多工艺的 polysyllable 多音节词 polydirectional 多方向的 polyatomic 多原子的 polygon 多角形 polycrystal 多晶体 polyarchy 多头政治 polyfunctional 多功能的 polyclinic 多科医院
• 前缀：peri- 周围, 外层, 靠近 pericentral 中心周围的 perigee 近地点 perigon 周角、360度角 perihelion 近日点 period 周期（od=way） perilune 近月点 perimeter 周界，周边 periastron 近星点 periderm 外皮 pericardical 心脏周围的 pricarp 果皮 periarticular 关节周围的
• 前缀：per- 1、贯穿、通、透、遍、自始自终 perspective 透视的（spect看） perfect 完全的，全然的 pernoctation 通宵不归，彻夜不眠（noct夜） perennial 全年的（enn年） perfuse 洒满，灌满（fus流） perspire 出汗（spir呼吸） permanent 永久的（man停留） perform 完成，执行 persist 坚持（sist立） perorate （演说时）作结束语 pervade 遍及
• 前缀：pen-( =almost)几乎、相近、相似、不完全是、差不多亦作(pene-) peninsula 半岛（pen-几乎，相似，insula岛；几乎是一个岛，与一个岛相似，不完全是一个岛→半岛） penultimate 倒数第二个（pen-几乎，相近，ultimate最后；几乎是最后一个，与最后一个相近，紧挨着最后一个→倒数第二个） penumbra 半阴影（pen-几乎，umbra影；几乎是一个阴影，不完全是一个阴影→半阴影） pe
• 前缀：para- ②防、避开、保护 parachute 降落伞，用降落伞降落（chute=fall，“保护降落”之意） [注]para-代替parachute，现已被广泛使用。它表示“空投”、“空降”、“伞投”、“伞兵”、“降落伞”等意义。 parasol 遮阳伞（sol=sun，“防止日晒”之意） parabomb 伞投炸弹 paradog 伞降犬，空投犬 paratroops 伞兵 parapack 空投包裹 paraoperation 伞兵
• 前缀：para- ① 1、半、类似、准 para-party 半政党组织 paramilitary 准军事性的 para-church 准教会 para-academic 半学术性的 para-institution 半官方机构 para-book 类似书籍的刊物 parapolitical 半政治的 parareligious 半宗教性的 pararuminant 类反刍动物 parastatal 半官方的，半政府的 para-governmental 仿政府的 2、辅助、副 paralanguage 辅助语言 parap