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
It's my pleasure.
我很愿意效劳。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
Yes. I went to bed too late last night.
是的。我昨晚睡得太晚。