Dioxolone
[化] 二氧杂环戊烯酮
🗣️ 情景例句
Aren't you happy with your present occupation?
你对目前的工作不满意吗？
Is the plane leaving?
飞机要起飞了吗？
It's an old film,but it's very good.
这是老部片子，但很好。