Dioxan
n. 二氧杂环己烷（用作溶剂）
🗣️ 情景例句
What are you doing tomorrow night?
明天晚上做什么？
No, I'm sorry, sir. We don't accept checks.
先生，对不起，我们不接受支票。
Nothing could have been more annoying.
没有什么能比这更烦人了。