Polyacrylic acid
[建] 聚丙烯酸
🧩 词语组成解析
🗣️ 情景例句
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好，看你能否从中学到什么。
It's up to you to decide.
这主要取决于你。
I think it's broken.
我觉得好象坏了。