英语翻译
问题描述:
英语翻译
It is said that spaceships can travel at half the speed of light by 2100.It might take us two or three days to get to Mars.Can you imagine humans' life on Mars?
答
据说宇宙飞船到2100年飞行速度可达光速的一半,这样的话,我们只要两三天就能到达火星,但你能想象人类真能在火星上住吗?