Polysulfone
[化] 聚砜; 聚砜类
🗣️ 情景例句
Could I trouble you with something for a moment please?
请问可以麻烦你一下吗？
Walls have ears.
隔墙有耳。
at any rate for short periods -- that running, jumping and kicking a ball are tests of national virtue.
至少在短期内如此 -- 跑跑、跳跳、踢踢球是对一个民族品德素质的检验。