Light travels 300,000 kilometres a second
Light travels 300,000 kilometres a second
it travels 300,000 kilometres a second是什么意思
Light----[ travel]300,300 kilometres a second
英语 单选light travels very fast,_____ 300,000 kilometers a seco
it travels 300000km a second是什么意思
The spaceship flies at 11 kilometres a second.划线提问
Light travels at about____.
light travels是什么意思?
Light travels faster than a plane.(yes or no)
Light travels _____in the earth A.fastest.Bmuch faster
light travels about a million times faster than sound
light travels at a speed which is about a million times fast