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来源:雅诚德英语网
Since most planetary scientists believe that water is essential to life, the presence of jarosite means that one prerequisite for life was once present on Mars.
由于大多数行星科学家认为水是生命的基本要素,因此黄钾铁矾的存在意味着火星上曾经存在出现生命的先决条件之一。