Wmata
abbr. Washington Metropolitan Area Transit Authority 华盛顿都市地区高速运输管理局
🗣️ 情景例句
I have a call to make.
我需要打个电话。
I did the best I could.
我尽力了！
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，