Cocondensation
[化] 共缩合
🗣️ 情景例句
They're open.
店开着。
I really appreciate your help.
我非常感谢你的帮助。
Hasn't Mary told you?She invited Charlotte and me to dinner this evening.
玛丽没有告诉你吗？她邀请我和夏洛特今晚去吃饭。