Polyacrylamide
[化] 聚丙烯酰胺
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
What should I do?
我该怎么办呢？
Many families spend this at a cottage by the seaside or go camping in the hills or on the coast.
许多家庭会在海滨的小屋里度过这段时光，或到小山坡上或在海岸边野营度假。