Polysulfones
[化] 聚砜; 聚砜类
🗣️ 情景例句
I can't ask him for a raise, I have no experience in negotiation.
我不能叫他给我加薪，我在谈判方面没经验。
Feed sparingly and defy the physician.
饮食有节，医生绝迹。
I just got an answer about the stock we have on hand.
我刚刚接获通知我们现有库存量。