The speed ______ light travels is said to be the maximum in
The speed ______ light travels is said to be the maximum in
Light travels fastest ______ all things in the world.
one light year is the distance that light travels in one
说明理由1.The fastest thing in space is light.Light travels ____
The speed of light is the fastest possible speed in universe
The teacher said light travels faster than sound___
It is said there ia going to be ______ important in the CCTV
Light travels ______ in the world 横线的地方应该填什么啊
the()thing in the universe is light,it travels at 300000 km
Light is the fast thing in the world,the speed of which is 3
The sentence“Nothing in the world travels faster than light”
it is light .It travels around the world but still stays in