Propionamide
[化] 丙酰胺
🗣️ 情景例句
Lacks vitality.
缺乏活力。
I wondered if you could buy me some pencils?
我不知道你是否能替我买铅笔？
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。