Indanone
[化] 二氢茚酮
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
If things were to be done twice all would be wise.
事事倘能做两次，人人都可称明智。
I'll phone Dr. Carter.
我去给卡特医生打电话。