火星再现生命痕迹。
据俄罗斯卫星网报道，前美国航空航天局科学家吉尔伯特 莱文称，40多年前，火星上就发现了生命的痕迹。
According to the Russian satellite network, former NASA scientist Gilbert Levin said that more than 40 years ago, traces of life were discovered on Mars.
莱文说，这项研究是在1976年进行的，作为维京计划的一部分，该计划涉及在火星土壤样品中探寻生命的痕迹。Levin said the study was conducted in 1976 as part of the Viking project, which involved finding traces of life in Martian soil samples.
他说，测试“微生物呼吸”，证明采集的样本中氧气含量极高。He said that the detection of microbial respiration proved that the sample contained in the sample was extremely high in oxygen.
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