Evidence of early humans' use of fire could be used to mark how they overcame their energy needs, said primatologist and biological anthropologist Richard Wrangham of Harvard University.
哈佛大学的灵长类行为学家和生物人类学家理查德·兰厄姆说，有证据表明早期人类会使用火，这可以来说明他们是怎样解决他们对能量的需求的。
Press on! If necessary, we will find even the pillar of cloud and fire to mark our journey through the wilderness.
在必需的时候，我们也能得到云柱和火柱的引领。
An analysis by engineers at Imperial College London subsequently revealed that the mark was most likely caused by a fire in a coal bunker of the ship.
伦敦帝国理工学院的工程师随后进行的分析显示，该标记最有可能是由于煤舱中的火灾造成的。
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