Undersaturated
欠饱和的
🗣️ 情景例句
I'm sick and tired of you!
你让我烦透了。
No, thanks. I'm in a hurry. How much is it?
不用了，谢谢。我还有急事。多少钱？
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。