Bisacrylamind
[机] 双丙烯酰氨
🗣️ 情景例句
He was left in charge of the shop while the manager was away.
经理不在时他负责这个商店。
Civility costs nothing.
礼貌不须什么代价。
You wouldn't have met her if it hadn't been for him.
如果不是他，你就见不到她。