但空气在接近裂缝的时候速度会越来越快,杰弗里·兰迪斯说,他是美国宇航局在克利夫兰·格伦研究中心的一位物理学家。
But air picks up speed as it approaches a fissure, said Geoffrey Landis, a physicist at NASA's Glenn Research Center in Cleveland.
俄亥俄州克里夫兰市美国国家航空航天局格伦研究中心的杰弗里.兰迪斯说,火星环境干燥,而且大气中缺乏氧气,这意味着那里的铁没有生锈。
The dry conditions and lack of atmospheric oxygen mean that the stuff has not rusted, says Geoffrey Landis of NASA's Glenn Research Center in Cleveland, Ohio.
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