Solvmanifold
可解流形
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
That nation is famous for its tourism.
那个国家以旅游业闻名。
Yes, Miss Gao! How many are there?
可以，高老师，有多少呢？