Mathematical expectation
[计] 数学期望
🧩 词语组成解析
🗣️ 情景例句
with Richard, Robbie, and me.
和 Richard Robbie及我在一起。
Give as good as one gets.
以其人之道，还治其人之身。
The radio says the snow will stop later in the day.
无线电广播说 今天晚些时候雪会停的。