sinktothebottom;沉底儿
Theshipsankdeepintothesea.那条船深沉海底。
settledown(toone'swork,etc.);concentrate(onone'swork,study,etc.);沉下心来
putonagraveexpression;pullalongface把脸一沉
restawhile,thentakeitupagain沉沉再办
beinadeepsleep;befastasleep;sleeplikealog睡得很沉
Thisboxistooheavy.这箱子太沉了。
haveastiffarm;胳膊沉
Myheadfeelsheavy[fuzzy].我头有点发沉。