Polyarylsulfone
[化] 聚芳砜
🗣️ 情景例句
Who's this?
你是谁？
An ill life,an ill end.
恶有恶报。
It's nothing. Don't worry. You'll be OK, said Li Lei. But you'd better not talk.
“这算不了什么。不要着急。你会好的”，李垒说，“但你最好不要说话”。