Polyacrylic acid
[建] 聚丙烯酸
🧩 词语组成解析
🗣️ 情景例句
and I promise you I won't forget.
我向你保证， 我不会忘的。
He guessed the train would come in early.
他猜想火车会很早到达。
A policeman approached Jimmy and told him he ought to have gone along a side street as Jumbo was holding up the traffic.
一个警察走过来告诉吉米，他应该走一条小路，因为江泊阻碍了交通。