Eigendistribution
特征广义函数
🗣️ 情景例句
First I want to call home
我先得打个电话回家
If there's anything else I can do,please let me know.
如果有其他东西我能做的，请让我知道。
Excuse me. Where's North Street Hospital, please?
请问，北街医院在哪儿？