Polysulfone
[化] 聚砜; 聚砜类
🗣️ 情景例句
You'll do great. break a leg!
你会干得很棒的，祝你好运！
Up to you.
你说了算。
Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury,
火星太干燥又缺氧，金星太热，水星也一样。