相关列句
The atmosphere of Mars could not support life.(生命无法在火星的大气环境下生存。)
Even if bacteria did arrive on Earth from Mars, they must have died out.(即使细菌真的从火星来到地球，它们也一定已经灭绝了。)
China has not launched any space probes to Mars so far.(到目前为止，中国还没有发射过任何火星探测器。)
The tiny rocket is attached to the spacecraft and is designed to propel it toward Mars.(微型火箭附在宇宙飞船上，用来推进飞船飞向火星。)
We will be able to travel to Mars and back in just three days.(我们将能在三天内往返火星。)
People sat impatient and frightened in the dark as if an unseen enemy had landed from Mars.(人们焦急不安、惊惶失措地坐在黑暗中，好像有一名来自火星的看不见的敌人已登上了地球。)
Mars was visible, dead in the centre of the telescope.(火星清晰可辨，正好就在望远镜的中心。)
You can get the real time weather reports for Mars with the iPhone.(你可以用iPhone获得火星的实时天气报告。)
Mars and Earth have orbits which change with time.(火星和地球的轨道随着时间而发生改变。)
China's first Mars mission is expected to be carried out by 2020.(中国的首个火星任务预计将在2020年完成。)
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