Cdsc
[医][=Communicable Disease Surveillance Center]传染病监视中心
🗣️ 情景例句
What for?
为什么？
If you look up, you can see the airplanes.
抬头看，你看到飞机了吧。
I am only interested in sitting in a boat and doing nothing at all!
我感兴趣的只是独坐孤舟，无所事事！