Dioxolone
[化] 二氧杂环戊烯酮
🗣️ 情景例句
They have an opening.
他们有一个空房间。
He who never was sick dies the first.
小病不生，一病致命。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。