Grassmannian
格拉斯曼流形
🗣️ 情景例句
I'll be right back.
我马上就回来。
I'm sorry, sir. I didn't mean it.
对不起，老兄，我并没有恶意。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。