Phstocatalyzer
[醫(yī)] 光催化劑
??? 情景例句
to interview applicants for admission.
與申請入學(xué)者面談。
We waved until the car was out of sight.
我們揮手直到汽車消失。
I'm sorry I don't know. You'd better ask that policeman over there.
對不起，我不知道。你最好問問那邊的警察。