Averaging operator
[计] 求平均数算子
🧩 词语组成解析
[计] 求平均值
🗣️ 情景例句
OK, here you are.
好的，给你。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
Did you leave it in water before you washed it?
在洗它之前您是不是把它泡在水里了？