它们的目的是寻找并分析火星上的石头和土壤,以寻找这个星球过去是否含水的线索,水当然是产生生命的基本条件,最少是我们理解的。
The goal of the rovers was to search for and analyze rocks and soils that yield clues to the planet's watery past. Water, of course, is essential for life -at least as we understand it.
几十年前科学界就清楚,产生生命所需的原材料在地球上很充足。
For decades, science has known that raw materials for life were surely abundant on early Earth.
她也有兴趣找出什么样的环境比陆地行星上的液体海洋更能有助于产生生命。
She's also interested in determining what conditions other than a liquid ocean might help initiate life on a terrestrial planet.
One answer is there are times in your life where half a second can matter a lot.
第一个答案是,在你生命在有很多时候,半秒钟能产生巨大的影响。
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