Undersaturated
欠饱和的
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
Take off your hat. It doesn't fit.
取下你的帽子，它不适合你。
At the head of the queue was an old woman.
排头的是位老太太。