Polyyne
聚炔烃
🗣️ 情景例句
Yes. The station's that way.
有。地铁站在那边。
May I speak to Mr. Johnson, please?
我想请约翰先生听电话好吗？
That's not fair. I'm sure there's nothing that a woman can't do.
这不公平。我相信，没有什么事情妇女干不了的。