Polycyclization
聚环作用
🗣️ 情景例句
It's about my grandfather.
是关于我爷爷。
This is the most fully-automated factory we have.
这是我们的全自动化工厂。
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林涛。很好，谢谢。你好吗？