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单词 natural selection
释义 natural selectionBrE /ˌnætʃrəl sɪˈlekʃn/NAmE /ˌnætʃrəl sɪˈlekʃn/ noun [U] the process by which plants, animals, etc. that can adapt to their environment survive and reproduce, while the others disappear 自然选择;物竞天择
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