Allylamine
丙烯胺
🗣️ 情景例句
and I will bring the cola and the plastic cups.
我拿可乐和塑胶杯来。
We'd like to hear what you say concerning the matter of packing.
我们很想听听你们在包装方面有什么意见。
There were twenty cars in the race.
参加比赛的有20辆汽车。