Polysulfone
[化] 聚砜; 聚砜类
🗣️ 情景例句
and I love being here with the family,
而我也喜欢和家人在一起。
I really must be going now.
现在我真的该告辞了。
When he learnt that he would be sent abroad, he returned to the farm and his father hid him until the end of the war.
当他了解自己将被派遣出国时，他逃回农场，父亲把他藏了起来，直到战争结束。