Cationic polymerization
[化] 阳离子聚合; 阳离子催化聚合作用
🧩 词语组成解析
[医] 阳离子的, 阴向离子的
n. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
All right.
好。
May I have a receipt?
我可以要一张收据吗？
The guests had, of course, realized this from the moment Bessie opened the door for them and, long before the final catastrophe, had had a difficult time trying to conceal their amusement.
客人们自然从贝西为他们开门那一刻起就看出来了，在好长一段时间里，即最后这个乱子发生前，他们努力克制才没笑出声来。