Eigendistribution
特征广义函数
🗣️ 情景例句
What's your name?
你呢？
So soon? Why don't you stay a little longer?
这么早就走了？为什么不呆一会呢？
As soon as he had got into the car, I said good morning to him in French and he replied in the same language.
他一上车，我就用法语向他问早上好，他也同样用法语回答我。