英文词源
- bimonthly (adj.)
- also bi-monthly, 1846, "happening once in two months, every two months," also "occurring twice a month," a hybrid from bi- + monthly.
中文词源
前缀bi-, 二。month, 月。
该词的英语词源请访问趣词词源英文版：bimonthly 词源，bimonthly 含义。
词根词缀： bi-二 + month月 + -ly副词词尾