Dioxan
n. 二氧杂环己烷（用作溶剂）
🗣️ 情景例句
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
She's been living there since her birth.
她生下来就住那儿。
These alone took sixteen months to build.
仅这两座塔就花了16个月才建成。