speed of light
英
美
- 光速
详细释义
Noun:
-
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
双语例句
- The speed of light is an important constant.
光速是一个重要的常数。
相关词汇
- light speed 光速
- C 字母C
【近义词】
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