1. 光速：speed of heat propagation 热传播速率 | speed of light 光速 | speed of perception 感觉速率
2. 光速,光速：speed of lens ==> 透镜率 | speed of light ==> 光速,光速 | speed of light circle ==> 光速圈
1. They have the ability to go from macro overview to micro detail literally at the speed of light on CEInet's fibre optic network.
2. Since the initial blast would travel at the speed of light, there would be no warning of its arrival.
3. It fires beams of protons from the nuclei of atoms around the tunnels at nearly the speed of light.
4. Freeman is intrigued by the speed of light and how and why light travels.
5. Under this theory, a physical object cannot travel faster than the speed of light in a vacuum.
noun
1. the speed at which light travels in a vacuum
the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
Synonym: light speed c