Quadtatic mean
[计] 二次平均值
🧩 词语组成解析
[计] 二次平均的
mean
[min]
v. 表示…的意思;意思是;打算;产生…结果;
adj. 吝啬的;刻薄的;破旧的;残忍的;
n. 平均数;中间;几何平均;等比中数;
🗣️ 情景例句
How do you get to work everyday?
你每天怎样去上班？
He was so startled that he yelled.
他惊吓得高声喊叫。
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。