Undersaturation
欠饱和, 未饱和
🗣️ 情景例句
I'm not hungry, I've been snacking all day.
我不饿，我一整天都在吃零食。
Do you have a phone book(directory)?
你有电话簿吗？
In place of the great trees which had been growing there for centuries patches of green had begun to appear in the blackened soil.
一片片的绿草开始出现在这片烧焦的土地上，代替了多少世纪以来一直生长在那里的参天大树。