Polyhydrazide
[化] 聚酰肼
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
See, listen, and be silent, and you will live in peace.
多看多听少多嘴，你会太平过日子。
Yes, please. But why do you call them mooncakes?
行啊，请给我一个吧。但你们为什么叫它月饼？