Biconnectivity
[计] 双连通性
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
Don't worry. I can help him.
不用着急，我来帮他。