Mathematical expectation
[计] 数学期望
🧩 词语组成解析
🗣️ 情景例句
If there's anything you need, just knock on my door.
有什么需要帮忙的话，尽管敲门来找我。
How's your aunt?
你的姑姑好吗？
Let me think. Maybe I could ask Jeanne. She married a man with a lot of money. I'll go and see her on Friday after I get the new dress.
我想想看。或许我可以去问问让娜。她嫁给了一位很有钱的男人。等我买好新衣服，星期五就去看她。