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(单词翻译)
Evidence of the first oxygen in the atmosphere. The gas was released by a humble1 microscopic2 living organism called cyanobacteria. Well it turns out cyanobacteria are the only things that can actually produce oxygen, so we know that at some point cyanobacteria colonized3 enough of the planet in order to produce enough oxygen that it became resident in the atmosphere.
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humble
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adj.谦卑的,恭顺的;地位低下的;v.降低,贬低 | |
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microscopic
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adj.微小的,细微的,极小的,显微的 | |
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3
colonized
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开拓殖民地,移民于殖民地( colonize的过去式和过去分词 ) | |
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rusty
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adj.生锈的;锈色的;荒废了的 | |
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tinge
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vt.(较淡)着色于,染色;使带有…气息;n.淡淡色彩,些微的气息 | |
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metabolisms
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n.新陈代谢( metabolism的名词复数 ) | |
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