Polysulfones
[化] 聚砜; 聚砜类
🗣️ 情景例句
Now I can help diaper him.
我现在可以帮他换尿布了。
I'm sorry to hear that.
听到这个消息我感到遗憾。
We need it in our office by next Monday.
下星期一以前要送到我们公司。