Polyhydrazide
[化] 聚酰肼
🗣️ 情景例句
I love to get away and spend a few days with nature.
我好想离开这里到大自然里呆几天。
How much ink did you want to get ?
你要拿多少墨水？
The students declared against cheating.
学生们表示反对作弊。