Polysulfone
[化] 聚砜; 聚砜类
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
Prosperity makes friends and adversity tries them.
富裕招致朋友，困苦考验朋友。
Not only was the meal well below the usual standard, but Bessie seemed unable to walk steadily.
结果，不仅饭菜远不如平时做得好，而且贝西走起路来似乎东倒西歪。