Polysulfones
[化] 聚砜; 聚砜类
🗣️ 情景例句
And it makes me feel good that you care about us.
你关心我们大家这使我太高兴了。
I wasn't born yesterday.
我又不是三岁小孩。
That's a good question, smiled Uncle Wang.
“这个问题提得好，”王大叔笑了。