英语翻译Light travels very fast.It travels at a speed of 300,000

light travels at a speed which is about a million times fast 英语 单选light travels very fast,_____ 300,000 kilometers a seco 英语翻译Light travels at a speed which is about a million times Light travels 300,000 kilometres a second Light travels at about____. 判断正误Light travels at a speed which is about a million times The speed ___light travels is very high.A which B at which C the computer,woring very fast ,_data at the speed of light A Light travels so fast that we can hardly imagine its speed.请 一道物理英文题The speed of a bullet as it travels down the barrel o 英语翻译Light trave at a fast speed.It is about a million times Light travels ___than sound.a.much fast b.far fast c.much fa