Nitrocarbol
[化] 硝基甲烷
??? 情景例句
why you have so many problems with math.
為什么你在數學方面有那么多問題。
I used to be a pilot. Now, I'm a parachutist.
我曾經做過飛行員，如今是傘兵了。
Maybe we should hold off until we have covered item B on our agenda.
也許我們應該先談論完B項議題。