Averaging operator
[计] 求平均数算子
🧩 词语组成解析
[计] 求平均值
🗣️ 情景例句
Make yourself at home.
勿客气。
He always comes rushing up at the last moment.
他往往到最后的一瞬间才急忙赶来。
Though he is young, he knows a lot.
尽管小，他懂得多。