Polyarylsulfone
[化] 聚芳砜
🗣️ 情景例句
What do you do in your spare time?
你在业余时间做什么？
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a diet.
我的朋友休一直很胖，但是近来情况变得越发糟糕，以致他决定节食。