velocity
英 [vəˈlɒsəti]
美 [və'lɑsəti]
助记提示
我们在学物理的时候，都知道表示速度的是字母“v”, 它就是由单词 velocity 的首字母缩略而来。
中文词源
velocity 速度来自拉丁语volo,飞，词源同volatile,volley,引申义极快的速度。或来自拉丁语vehere,携带，运载，词源同vehicle.
英文词源
- velocity (n.)
- early 15c., from Latin velocitatem (nominative velocitas) "swiftness, speed," from velox (genitive velocis) "swift, speedy, rapid, quick," of uncertain origin, perhaps related to vehere "carry" (see vehicle), or from the same root as vigil.
双语例句
- 1. Acceleration and velocity are both vectors.
- 加速度和速度都是矢量。
来自《权威词典》
- 2. the velocity of light
- 光速
来自《权威词典》
- 3. 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.
来自《简明英汉词典》
- 4. The velocity of light is about 300000 kilometres per second.
- 光速约为每秒300000公里.
来自《现代汉英综合大词典》
- 5. 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.
来自《简明英汉词典》