Unsaturated acid
[化] 不饱和酸
🧩 词语组成解析
a. 没有饱和的, 不饱和的
🗣️ 情景例句
I wish Robbie and Alexandra had come to this meeting.
我真希望Robbie和Alexandra已经来参加开会。
You're welcome.
不客气。
The guest who arrives half an hour too soon is the greatest nuisance.
客人提前半小时到达是令人讨厌的。