Dioxole
[化] 间二氧杂环戊烯
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？