| 单词 | 自然选择 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔BASIC〕The theory of natural selection remains the key to our understanding of the natural world. 自然选择的理论仍然是我们理解自然界的关键。朗文写作活用〔essay〕Darwin's essay about natural selection达尔文关于自然选择的论文外研社新世纪〔exaptation〕The utilization of a structure or feature for a function other than that for which it was developed through natural selection.联适应：非通过自然选择而发展的功能的结构或特征的利用美国传统〔genetic drift〕Random fluctuations in the frequency of the appearance of a gene in a small, isolated population, presumably owing to chance rather than natural selection.遗传漂变：在一个小的、与世隔绝的种族里，基因面貌频率上的偶然波动，可能因为偶然性而不是自然选择美国传统〔natural selection〕Natural selection ensures only the fittest survive to pass their genes on to the next generation.自然选择确保只有最适应环境的物种得以存活下来, 把基因传给下一代。外研社新世纪〔natural selection〕Natural selection ensures only the fittest survive to pass their genes on to the next generation.自然选择确保只有最适应环境的物种得以存活下来，把基因传给下一代。柯林斯高阶〔selectionist〕Of or relating to the view that evolution or genetic variation occurs chiefly as a result of natural selection.自然选择论的：认为进化和遗传变异的发生是自然选择的结果的观点的或与之相关的美国传统〔selectionist〕One who holds or favors a selectionist view.自然选择论者：持有或支持自然选择论观点的人美国传统〔selection〕Darwin's principles of natural selection.达尔文的自然选择理论柯林斯高阶〔selection〕Natural selection is a key element of Darwin's theory of evolution.自然选择是达尔文进化论的关键部分。牛津搭配〔sexual selection〕Selection driven by the competition for mates, considered an adjunct to natural selection.性别选择：通过性别竞争驱动的选择，该选择被认为与自然选择有关美国传统〔survival of the fittest〕Natural selection conceived of as a struggle for life in which only those organisms best adapted to existing conditions are able to survive and reproduce.适者生存：被看成是一场生命竞争的自然选择，只有那些最能适应生存环境的生物体才能存在和繁衍美国传统 |
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