biannual的词源

英文词源

biannual (adj.)

also bi-annual; "occurring every six months, twice a year," 1837, from bi- + annual. Related: Biannually; bi-annually.

中文词源

biannual：两年一次的

前缀bi-, 二。词根ann, 年，见anniversary.

该词的英语词源请访问趣词词源英文版：biannual 词源，biannual 含义。

biannual：一年二次的，半年一次的  

词根词缀： bi-两,二 + -ann-年 + -u- + -al形容词词尾