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1·The Martian atmosphere contains only tiny amounts of water.

火星的大气层只含有微量的水。《柯林斯英汉双解大词典》

2·Images of the Martian surface reveal many hundreds of volcanoes.

火星表面的图像显示出了数百座火山。

3·However, Martian craters get filled in considerably faster than their lunar counterparts.

然而，火星陨石坑被填满的速度比月球陨石坑快很多。

4·Space-probe photographs indicate the existence of giant volcanoes on the Martian surface.

太空探测照片显示火星表面存在巨大的火山。

5·Where the Curiosity actually sits is a 96-mile-wide crater named Gale near the Martian equator.

“好奇号”实际所在的位置是火星赤道附近一个名为盖尔的96英里宽的陨石坑。

6·The great height of Martian volcanoes is a direct consequence of the planet's low surface gravity.

地球表面低重力直接导致了火星上火山的巨大高度。

7·As on the Moon, the extent of large impact cratering serves as an age indicator for the Martian surface.

和在月球的一样，大型撞击陨石坑的范围之广可以显示出火星表面的年龄。

8·None of these volcanoes was formed as a result of collisions between plates of the Martian crust—there is no plate motion on Mars.

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。

9·Other researchers go even further, suggesting that the data provide evidence for large open expanses of water on the early Martian surface.

其他研究者取得了进一步成果，他们认为，这些资料证明了在早期的火星表面上存在大片开阔的水域。

10·The geologic story the Opportunity read there always spoke of an ancient martian wasteland of windblown dunes pocked by the occasional acid-laced puddle.

机遇号对于火星地理结构的解读总是揭示出一个存在于远古火星的，来自于海洋性酸股介水坑的废弃风沙之地。