火星自转一周的时间比地球长。
微型火箭附在宇宙飞船上，用来推进飞船飞向火星。
The tiny rocket is attached to the spacecraft and is designed to propel it toward Mars.
从现在开始30年内，美国会把载人航天器送上火星。
In thirty years from now the United States should have a manned spacecraft on Mars.
火星周围有一个薄薄的大气层，几乎全由二氧化碳构成。
Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
奥森•威尔斯使得许多美国人相信他们正遭到火星人的入侵。
Orson Welles managed to convince many Americans that they were being invaded by Martians.
从烟囱里冒出的火星燃着了屋顶板。
火星表面的图像显示出了数百座火山。
Images of the Martian surface reveal many hundreds of volcanoes.
太空探测照片显示火星表面存在巨大的火山。
Space-probe photographs indicate the existence of giant volcanoes on the Martian surface.
科幻小说作家经常想象人类将在火星上生活。
Science fiction writers have often imagined human beings going to live on the Mars.
中国的首个火星任务预计将在2020年完成。
China's first Mars mission is expected to be carried out by 2020.
照片证据表明，液态水曾大量存在于火星表面。
Photographic evidence suggests that liquid water once existed in great quantity on the surface of Mars.
流出通道可能是很久以前火星上发过洪水的遗迹。
Outflow channels are probably relics of catastrophic flooding on Mars long ago.
这些火山没有一个是由于火星地壳板块之间的碰撞而形成的——火星上没有板块运动。
None of these volcanoes was formed as a result of collisions between plates of the Martian crust—there is no plate motion on Mars.
火星的大气层只含有微量的水。
无数火星儿向四处飞溅。
植物和动物现在不能在火星上生活。
一队美国宇航员在火星上开始搜索。
火星是太阳系中四颗岩态行星之一。
Mars is one of the four planets in the solar system that is a rocky planet.
中国将首个火星探测器命名为祝融号。
“天问一号”是中国首个火星探测器。
在春季和夏季，火星表面被强风暴覆盖。
During spring and summer, the surface of Mars is covered by strong storms.
今天他们仍然不确定火星上是否有生命。
很久以前，人们普遍认为火星上有生命。
A long time ago it was widely believed that there was life on Mars.
科学家们仍在寻找更多关于火星的信息。
Scientists are still searching for more information about Mars.
中国“祝融”号火星探测器成功着陆火星。
火星是红色的，非常冷。
人类很有可能在未来必须要搬到火星上去。
It's highly possible that humans have to move to Mars in the future.
该探测器于2021年2月进入火星轨道。
例如，去火星的单程旅行至少需要6个月。
A one-way trip to Mars, for example, would take at least six months.
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