Polysulfones
[化] 聚砜; 聚砜类
🗣️ 情景例句
Why does the boss have such a large, comfortable chair?
为什么老板有张那么舒服宽大的椅子？
She won a scholarship to the state university.
她获得就读洲立大学的奖学金。
Please give us your proposal if you're ready for that.
如果你们愿意做合资经营，请提出你的方案。