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地球从荒凉贫瘠到充满生机,经历了地质历史时期的漫长岁月。海洋中生命的丰盛早在距今约5.5亿年前的寒武纪生命大爆发时就已完成,相比之下,生命踏上陆地,并带给大地以苍翠却要迟缓得多。
Earth from desolate to full of vitality, experienced a long period of geological history. The abundance of life in the oceans was completed as early as the Cambrian explosion that took place some 550 million years ago. In contrast, life sets foot on the land and brings the earth to green but much later.