Polysulfone
[化] 聚砜; 聚砜类
🗣️ 情景例句
It was so stupid of me. I really do apologize.
非常抱歉， 我当时真糊涂。
My watch is two minutes fast.
我的表快了两分钟。
You'll save time not waiting for the elevator.
你可以节省等电梯的时间。