速度是所有体育运动的基本要素。

Speed is the essential ingredient of all athletics.

《柯林斯英汉双解大词典》

在这个时候速度是关键。

Speed is key at this point.

《牛津词典》

这架新飞机的飞行速度是音速的两倍。

The new airplane flies twice the speed of sound.

youdao

But de Broglie has told us that the wavelength is related to the instant velocity through this formula.

但德布罗意曾说过,波长是和瞬时速度相联系的,通过这个公式。

麻省理工公开课 - 固态化学导论课程节选

If there were no voltage on the plates, we would expect everything to be over here in some negative value falling.

如果板子上没有速度，这些可能都在这,都是负值下降的。

麻省理工公开课 - 固态化学导论课程节选

And in terms of equations that we use, it's sometimes easier to plug in the fact, since momentum is equal to mass times velocity.

在我们使用方程这方面，事实上有时是很容易代入的，因为动量等于质量乘以速度。

麻省理工公开课 - 化学原理课程节选