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 just want to say that I'm proud of her.
我只要说，我为她感到骄傲。
Nothing for nothing and very little for a half penny.
一分钱，一分货。
The trickle became a stream; the stream has now become a torrent.
涓涓细流汇成小溪，小溪现已变成了奔腾的江河。