Polylaurylamide
[化] 聚十二内酰胺; 尼龙-12
🗣️ 情景例句
He's busy preparing for class.
他忙着准备功课。
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
So it is! Lily, did you hear what I said?
是呀！莉莉，你听见我的话了吗？