Undigraph
无向图
🗣️ 情景例句
Forgive me, I didn't mean to offend you.
请原谅， 我不是有意惹你生气。
John's parents will rejoice at his safe return.
约翰的双亲会因他的安然归来而惊喜万分。
Do you know where it is?
你知道地方吗？