英语翻译Light travels in a traight line because it is the only p

it is light .It travels around the world but still stays in the()thing in the universe is light,it travels at 300000 km 英语翻译Nothing in the world travels faster than light.Ittravels 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 ____ It is known to all that light travels in straight lines. The speed ______ light travels is said to be the maximum in 英语翻译Light travels at a speed which is about a million times 英语翻译Light WaveLight travels in waves,like ripples on a pond. The sentence“Nothing in the world travels faster than light” 英语翻译1.It is not that cheap,because it only grows in hot area 英语翻译1） It is the Iof the only lasting disagreement in a hous