Mean difference
[经] 平均差
🧩 词语组成解析
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
Well, thanks so much for your help and your time,
好的， 感谢你的帮助 用了你的时间。
I stayed up until 2:00 in the morning.
我熬夜直到凌晨2点。
I rang the bell and was not surprised to see that Hugh was still as fat as ever.
我按响了门铃，当看到休仍和往常一样胖时，我并不感到惊奇。