- 释义：
- n. 速度，速率
- 例句：
-
Einstein's theory links energy with mass and velocity of light.
爱因斯坦的理论把能量同质量和光速联系起来.
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The velocity of light is about 300000 kilometres per second.
光速约为每秒300000公里.
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A bullet goes from this gun with a velocity of 3000 feet per second.
此枪射出的子弹,其速度为每秒3000英尺.
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