Pek
[化] 聚醚酮
🗣️ 情景例句
Goodbye, thank you very much for coming.
再见，感谢您能光临。
Fear is often greater than the danger.
杞人忧天。
My wife always worries too much.Who's going to look after the dog?
我妻子总是担心那的。谁来照看狗啦，