Polyacrylic acid
[建] 聚丙烯酸
🧩 词语组成解析
🗣️ 情景例句
Would you like to be friends?
我们做朋友好吗？
She is at a loss as what to do.
她不知怎么办才好。
We can't handle an order that small.
这么少的数量，我们不能接受。