2, nitrogen plays the role of isolated air, especially oxygen, bacteria will not survive, can not make food spoilage.
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You might get just a little bit tired out after the first few thousand kilometers, especially with all the oxygen tanks you'll have to be hauling up with you.
在爬完刚开始几千公里后,你可能会觉得有点累,特别是你还要带一大堆氧气罐一起爬上去。
Carbon, oxygen, iron, and the like had to wait for stars-especially the massive ones-to form and create heavier elements via nuclear fusion.
碳,氧,铁等等元素(尤其是重元素)要等恒星形成后在其漫长的核聚变中产生。
As a result, the researchers' model suggests, the waters down-current of a large methane plume, especially in an ocean basin with poor circulation, could lose as much as 95 percent of their oxygen.
研究人员的模型显示,这一结果导致大量不断释放的甲烷随流而下,使得尤其是在循环不畅的海洋盆地,水中氧气损失可能会高达95%。
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