The vast source of water could one day be used to generate oxygen or sustain a moon base.
这个巨大的水源也许在未来的某一天可以用来制造氧气或者维持月球基地用水。
Nasa has been so keen to find water on the Moon because it brings the dream of a permanent lunar base one step closer.
美国宇航局一直渴望能够在月球上发现水，因为这样，月球变成一个永久性基地的梦想又近了一步。
One way for human missions to Mars is to set up a base on the moon to be used as a steeping-stone.
把人类送上火星进行探测的一种方法，是在月球上建立一个基地，用来作踏脚石。
Pictures show the robot walking, lifting heavy weights, using power tools, performing press-ups and even driving with Russian experts hoping it will one day be able to help build a base on the moon.
图片显示，这个机器人能行走、举重、使用电动工具、做俯卧撑，甚至还能开车。俄罗斯专家希望他未来能够帮忙建立月球基地。
Pictures show the robot walking, lifting heavy weights, using power tools, performing press-ups and even driving with Russian experts hoping it will one day be able to help build a base on the moon.
图片显示，这个机器人能行走、举重、使用电动工具、做俯卧撑，甚至还能开车。俄罗斯专家希望他未来能够帮忙建立月球基地。
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