Mesition
3-二甲氨(基)甲酰氧基-1-甲基吡啶
??? 情景例句
He sees her often but doesn't want to get too involved.
他常與她來(lái)往，但不愿用情太深。
I hope I'll get a big pay raise.
但愿薪水大大提高一下。
Why on earth didn't you tell me the truth?
你到底為什么不跟我說(shuō)實(shí)話？