Dioxan
n. 二氧杂环己烷（用作溶剂）
🗣️ 情景例句
I appreciate your help very much.
我非常感激你的帮助。
If he doesn't pay him, I will.
如果他不，我将付给他。
The majority of thepatients attending the medical out-patients departments of our hospitals
在医院门诊部看病的大多数人