Mean velocity
[化] 平均速度
🧩 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
That's a pretty good salary.
那待遇很好。
I ought to go right away.
我应该立刻去。
but although our faith in many of the things in which our forefathers fervently believed has weakened,
可是虽然我们对我们祖先笃信的许多事物已不太相信，