Orthonormalization
规化正交集
🗣️ 情景例句
Take it easy, Robbie.
不要太紧张 ，Robbie。
I've been watching TV all night.
我看了一整晚的电视。
the chance of playing a game of football or baseball on Saturday afternoon.
让他们在星期六下午再踢足球或打垒球