Orthonormalization
规化正交集
🗣️ 情景例句
You're welcome to come over any time, you'll always have a place to stay.
我们欢迎你任何时候过来，这里是你永远的家。
All are not friends that speak us fair.
向我们说好话的并不都是好朋友。
I'd like a cup of tea. What about something to eat?
我想来杯茶。吃点什么呢？