Anthrindan
[化] 环戊烷并蒽
🗣️ 情景例句
Too long. Have a seat and I'll get you a cup of tea.
太久了。请坐，我来给你弄杯茶。
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
A woman saw it happen when she was walking past.
一位妇女走过的时候，看到我的钢笔掉了。