Dioxan
n. 二氧杂环己烷（用作溶剂）
🗣️ 情景例句
No advertising material.
谢绝广告。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
My teacher's gifted instruction lived on after her death.
我的教师逝世后，她宝贵的教诲仍继续长存。