n.【物】速度
Felicity───n.幸福；快乐；幸运；
ferocity───n.凶猛；残忍；暴行
helicity───n.[物]螺旋性
velleity───n.不完全意欲，微弱的欲望
veracity───n.真实，准确；诚实
velocimetry───n.[力]速度测量学
velocities───n.[力]速度（velocity的复数）
heroicity───英雄气概
precocity───n.（人或植物等的）早熟
Jaguars can move with an astonishing velocity.───美洲豹跑起来速度惊人。
Acceleration and velocity are both vectors.───加速度和速度都是矢量。
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？
Pitching coach Ron Guidry said the lack of rest might even be a bonus, with a little less velocity helping Wang's sinker move even more.───投手教练古锥提到。不足的休息说不定会比较有利。因为减损一些速度反而能让小民的伸卡跑幅变大。
Simulation results demonstrate that this method can realize precise velocity measurement and location regardless of the system noise.───仿真结果表明，在不考虑系统噪声的前提下该方法可以实现精确的测速与定位。
It is found that the velocity field distribution of airflow internal the muffler is similar to that of pressure and temperature field.───发现了消声器的内部气流的速度场、压力场以及温度场具有相似的分布特点。
Methods are available for the measurement of absolute velocity constants but they are by no means easy to apply.───虽然某些方法对测定绝对速度常数是合用的，但不容易实施。
One is the weight of a crashing vehicle, which determines how much its velocity will change during impact.───一个是重量崩溃车辆，确定多少将改变其速度时的影响。
Moreover, velocity information is easily gathered, easy to calculate, and is seen as a measure of volume output.───而且，开发速度数据容易获得、便于计算并被视为是大量输出的计量结果。
A bullet goes from this gun with a velocity of 3000 feet per second.