Tetraether
四醚
🗣️ 情景例句
I'm sick of English, I want to learn French.
我讨厌英语，我想学法语。
I'm sick and tired of your complaints, be quiet.
我已经听厌了你的抱怨，别说了。
It's really nice of you. Thank you very much. said the man.
“你们真好。非常感谢你们”，那人说。