Bi-
其它 Otherpref. 二(倍), 复, 重, 双, 两\\n[医] 二, 两, 双
📖 牛津释义
bi-
pref 前缀 two; twice 二; 两次: biannual
bicentenary. Cf 参看 di-, tri-. bi-, NOTE ON USAGE 用法
Note that bi- is used with certain expressions of time (eg bimonthly) to mean both `every two' (months) and `twice a' (month) 注意bi-附加在某些表示时间的词语前面（如 bimonthly）, 兼有｀每两＇（月）和（每月）｀两次＇两种含义. There is a distinction between biennial (every two years) and biannual (twice a year). *biennial意为｀每两年＇, biannual意为｀每年两次＇, 这二者的区别则十分清楚.
🧩 词语组成解析
[计] 成批输入, 总线接口\\n[医] 铋(83号元素)
🗣️ 情景例句
you had some doubts about wanting to go to Michigan.
你对上Michigan大学有些疑虑。
It seems he's afraid.
看起来他好像很害怕。
Oh, and by the way, my wife wants to know if Mary needs any help.
喔，顺便问一问，我妻子想知道玛丽是否需要帮忙。