Polyether sulphone (pes)
[化] 聚醚砜; 聚苯醚砜; 聚芳醚砜
🧩 词语组成解析
n. [化]聚醚,多醚
n. [化]砜
🗣️ 情景例句
Hmm. I can't remember.
嗯， 我记不起来了。
Then I asked him if he knew anybody in New York .
然后我问他是否他在纽约认识人。
We also hope to expand our business with you.
我们也希望与贵公司扩大贸易往来。