natural selection
英
['nætʃərəl sɪ'lekʃən]
美
['nætʃərəl sɪ'lekʃən]
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Noun:
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a natural process resulting in the evolution of organisms best adapted to the environment
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用作名词 (n.)
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Natural selection is a very grim natural reaper.
自然选择是自然界的冷酷收割机。
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It stops natural selection and genetic survival dead in its tracks.
大意指将会停止自然选择适者生存。
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