Boundedness
[计] 有界性
🗣️ 情景例句
I'm awfully sorry.
非常抱歉。
I was raised on rice in the South.
我在南方吃米饭长大。
When you visit London, one of the first things you will see is Big Ben,
当你游览伦敦时，首先看到的东西之一就是“大本”钟，