Polycyclization
聚环作用
🗣️ 情景例句
What? Who?
什么 ，是谁？
No matter what she says, don't answer.
不论她说什么，你也不要回答。
No, thanks. I think I'd like a bottle of orange. What about you?
不，谢谢，我想来瓶橙汁。你呢？