Propylamine
[化] 丙胺\\n[医] 丙胺
🗣️ 情景例句
Save your voices.
留着点嗓子。
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
Train compartments soon get cramped and stuffy.
车厢很快就变得拥挤、闷热，