Cyclocompounds
[建] 环状化合物
🗣️ 情景例句
Let's call room service and order a nice breakfast,
让我们打电话给房间服务部订一份可口的早餐。
I can't say for certain off-hand.
我还不能马上说定。
It was Sunday.I never get up early on Sundays.
那是个星期天，而在星期天我是从来不早起的，