Polyacrylic acid
[建] 聚丙烯酸
🧩 词语组成解析
🗣️ 情景例句
Just two days.
只要两天。
You live here in the city,don't you?
你出生在这个城市吗？
I decided that I must have taken a wrong turning somewhere.
我想一定是什么地方拐错了弯儿。