Phosphogypsum
磷石膏
🗣️ 情景例句
Yeah, we caught lots of them. Look!
当然 我们抓到不少鱼。看！
What's your favorite sport?
你最喜欢什么运动？
There is a new type of machine which can produce colour copies.
有一种新型的机器能够制作出彩色复印件。