Polyacrylic acid
[建] 聚丙烯酸
🧩 词语组成解析
🗣️ 情景例句
You'll be fine.
你不会有事的。
You shouldn't refuse the children's request.
拒绝孩子们的恳求是件不好的事。
I think that's a good idea.
我认为那是个好主意。