In fact, a 2009 study on the skulls of human ancestors found that social competition was a primary driving force for the evolution of human brains.
事实上,2009 年对人类祖先头骨的一项研究发现,社会竞争是人类大脑进化的主要驱动力。
单词 | primary drive |
例句 |
原声例句
Life Noggin In fact, a 2009 study on the skulls of human ancestors found that social competition was a primary driving force for the evolution of human brains. 事实上,2009 年对人类祖先头骨的一项研究发现,社会竞争是人类大脑进化的主要驱动力。 |
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