Acid-catalyzed polycondensation
[建] 酸催化缩聚(作用)
🧩 词语组成解析
v. 催化, 促进( catalyze的过去式和过去分词 )
n. [化]缩聚(作用)
🗣️ 情景例句
I have to go out and hand out fliers.
我要出去派传单。
The offer isn't subject to prior sale.
本报盘以货物未售出为条件。
No, there isn't.
不，没有。