Eigendistribution
特征广义函数
🗣️ 情景例句
Well, I see you're feeling better.
嗯， 我看得出你感觉好些了。
He that boasts of his own knowledge proclaims ignorance.
夸耀知识实乃无知。
Spring is the best season of the year.
春天是一年里最好的季节。