Orthonormalization
规化正交集
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
One rotten apple spoils the whole barrel.
一只烂苹果烂一萝苹果。
They had a good time, but I didn't go.
他们玩得很痛快，但我没有去。