Phenylcyclohexane
[建] 苯基环己烷
🗣️ 情景例句
When are they coming?
他们什么时候来？
Doing is better than saying.
行胜于言。
They all went up some narrow steps into a large room.
他们全都登上这些狭窄的台阶，接着进入一个大房间。