He asks the teacher how fast light moves.

他问老师光的速度是多少。

youdao

If light travels so fast, how come it's never caught a ninja?

如果光有那么快，为什么照不到忍者呢？

youdao

Can you tell me how fast light travels?

你能告诉我光速有多快吗？

youdao

How fast does light move?

光运行得有多快？

youdao

If light travels so fast, how come it never caught a ninja?

如果光有那么快，为什么照不到忍者呢？

youdao

How fast does light travel?

光传得多快？

youdao

Have you any idea how fast light travels?

你知道光速有多快吗？

youdao

No matter how fast light travels.

不管光芒有多快。

youdao

No matter how fast light travels.

不管光芒有多快。

youdao