Cyclocompounds
[建] 环状化合物
🗣️ 情景例句
Did you remember your other appointment for today?
还记得今天的另一个约会吗？
An evil chance seldom comes alone.
祸不单行。
You can enlarge your knowledge and learn some English at the same time.
你可以扩大你的知识面，同时又学习了英语。