velocity

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n. 【物】速度 [ 复数 velocities ]

Acceleration and velocity are both vectors.

加速度和速度都是矢量。

Jaguars can move with an astonishing velocity.

美洲豹跑起来速度惊人。

I mean, that's the whole point of escape velocity, right?

我的意思是，这是逃逸速度的全部意义所在，不是吗？

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and puts him on the map, he's on the map --position, velocity,good estimate he'll continue going 85 miles an hour.

So just delivered the upper stageat high velocity.I think this might have been at sort of Mach 7 or so,

because an object's wavelength is related to its momentum,mass times velocity.A fast-moving object has lots of momentum,

so he can divert his horizontal velocityto vertical velocity, and jumps.Wait for it...there.

And then there's what I callour average, necessary quotidian velocity.By that I simply mean

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大学英语六级近十年真题,GRE填空及阅读机经,剑桥雅思阅读真题4-15,托福TPO阅读真题,专八真题近十五年,经济学人(The Economist),民航机务英语,医学英语(The Language of Medicine)