Benzazide
苯甲酰疊氮
??? 情景例句
Oh, you think you're going to have a hard time
你認(rèn)為需要大費(fèi)周折
Let me give you a little motherly advice.
讓我給你一些母親般的勸告。
Are you sure you can come by at nine?
你肯定你九點(diǎn)能來嗎？