Pek
[化] 聚醚酮
🗣️ 情景例句
It's hard for some older people to take all that noise.
一些老年人没办法忍受那些噪音。
The tongue of idle persons is never idle.
懒汉的舌头并不闲。
It certainly didn't arrive here that way.
送到这儿时可不是那样！