Polyacrylamide
[化] 聚丙烯酰胺
🗣️ 情景例句
The teacher flunked him in geography.
老师给他的地理打不及格。
The man is drawing blueprints for a new house.
这个人在设计新房屋的蓝图。
Will you please sweep the floor and tidy the classroom every day?
请你们每天都打扫地板、整理教室，好吗？