Unsaturated compound
[医] 不饱和化合物
🧩 词语组成解析
a. 没有饱和的, 不饱和的
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
She is now on vacation.
她正在休假。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。