Cdsc
[医][=Communicable Disease Surveillance Center]传染病监视中心
🗣️ 情景例句
Oh no! It's five thirty.
哎呀 已经五点半了。
But we cannot afford to depend on tradition alone.
但是我们不能靠吃老本过日。
Hold on please. I'm sorry.
请别挂断。很抱歉。