性征
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secondary sexual characteristic 第二性征
sexual reproduction characteristic 有性生殖特征
sexual characteristic
性特征
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Sexual selection emphasises the development of characteristics that demonstrate in a way that cannot be faked just how fit that characteristic's possessor is to father (or mother) another individual's offspring.
ECONOMIST: Come up and see my etchings
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