Birotation
n. [化]變旋(現(xiàn)象), 旋光改變(作用)
??? 情景例句
I mean...my brother'll be really glad to see you!
我的意思是我哥哥見到你會非常高興。
What day is today?
今天星期幾?
Did you serve this gentleman half an hour ago, Caroline? He says he's the man who bought these books.
卡羅琳,半小時前你接待過這位先生嗎?他說他就是買這兩本書的人。
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