Polyacrylamide
[化] 聚丙烯酰胺
🗣️ 情景例句
John proposed marriage to Helen.
绚翰向沦论求婚。
The mining area is centered large in the north.
那里的采矿区大部分集中在北部。
A woman in jeans stood at the window of an expensive shop.
一位穿着牛仔裤的妇女站在一家高档商店的橱窗前。