🧩 词语组成解析
[地名] [美国] 哥伦比亚纳
🗣️ 情景例句
I don't mind.
我不在乎。
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
Some devices were quite simple.
有些装置非常简单。