Polyhydrazide
[化] 聚酰肼
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
The curious thing was that the lake was not marked on the map.
奇怪的是那个湖没有在地图上标出。