NASA hopes to find evidence for such theories by analyzing the ice contained in the soil of the red wasteland that the Mars Phoenix Lander touched down on.
美国国家航空航天希望通过分析“凤凰”号火星探测器着陆的红色荒原土壤中所含的冰,找到支持这一理论的证据。
Last month the Mars Phoenix Lander found ice on the surface of the planet, but it is frozen hard and covered by red dust.
上月,凤凰号登陆火星发现火星表面有冰的痕迹,但它是结冰的并被红色的灰尘覆盖着。
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