Polyacrylic acid
[建] 聚丙烯酸
🧩 词语组成解析
🗣️ 情景例句
I didn't even finish it.
没有能吃完它。
Sorry kept you waiting so long. You are on .
抱歉让你久等了，接通了。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。