Undersaturation
欠饱和, 未饱和
🗣️ 情景例句
Did you have a good time today?
今天玩得开心吗？
When the well is full, it will run over.
井水满了要溢出。
Hey, Jim! Can I borrow your ruler?
吉姆， 我能借用一下你的尺子吧！