Poly(oxyphenylene sulfone)
[化] 聚苯醚砜
🗣️ 情景例句
And it turns out he's a classmate of Philip's.
有意思的是 他和Philip是同班同学。
How many pieces are you going to order?
你要订几张？
You can either stay or leave.
你或者留下或者离开。