Phosphogypsum
磷石膏
🗣️ 情景例句
I guess we'll be seeing Alexandra again.
我想我们不久又将见到Alexandra。
The president must have the approval of Congress to declare war.
总统若要宣战，必须获得国会的承认。
No matter what happens, she often said, keep on beginning.
无论发生什么事，"她常说，不断从头开始。