bi-

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Numbers

bi- /baɪ/ prefix  HMNTWOtwo, twice, or double 双，两（倍） → semi-, di-, tri- bilingual (=speaking two languages) 双语的 to bisect (=cut in two) 把…二等分

Examples from the Corpus

bi-• a biannual meetingOrigin bi- Latin

bi- prefixChinese  

double twice, Corpus two, or

bi-
bi- /baɪ/ prefixtwo, twice, or double ⇨ semi-, di-, tri-:
    bilingual (=speaking two languages)
    to bisect (=cut in two)

bi-BrE /baɪ/ 🔊NAmE /baɪ/ 🔊 combining form (in nouns and adjectives 构成名词和形容词) two; twice; double 二；两次；两倍；双◆bilingual双语的◆bicentenary两百周年 HELP Bi- with a period of time can mean either 'happening twice' in that period of time, or 'happening once in every two' periods. * bi- 和某个时期结合可表示在该时期内发生两次，或每两个时期发生一次。