Polynonanoylamide
[化] 聚壬酰胺; 尼龙-9
🗣️ 情景例句
Sorry. I have a meeting right now.
抱歉，我马上有个会议要开。
What will you do this weekend?
这周末你将干什么？
What's that in English?
那个用英语怎么说？