When more males are born than females, there is a population imbalance.
当男性出生得比女性多时, 就会造成人口中的男女比例失调.
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Once they have fully matured, males immediately seek out the lairs of adult females.
一旦它们完全成熟, 雄性会立刻出发去寻找成熟雌性的巢穴.
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They tracked these males, recorded their songs and monitored their behaviour.
他们跟踪这些雄鸟, 记录它们的鸟鸣声并观察它们的行为.
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皇冠六间是一属一种的种类,无其他分支.
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The males are frantically wooing the females as they return to this country to breed.
夜莺飞回英国准备繁殖,正是雄夜莺正在疯狂追求着雌夜莺的时候.
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In this matriarchal city, males had a subservient role, and most answered to the whimsy females.
在这座女权主义的城市, 女性扮演者反复无常的角色, 她们大多数承诺完全是一时的心血来潮.
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Males and females only mating season, otherwise they live solitary existences.
公兽和母兽只有在交配季节才混到一起, 否则他们分开独自居住.
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Both females and males may learn to masturbate all by themselves while still in their infancy.
当仍在婴儿期,男女都可能自己学会自娱.
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Today's culture requires males to expand the traditional notions of masculinity.
现在的文化要求男性扩大男人气概的观念.
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很不幸,这个办法并不奏效. 现在的文化要求男性扩大男人气概的观念.
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It's true that few nonwhite males hold senior positions at the networks.
在这些电视网,身居要职的非白人男性确实寥寥无几.
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On the average , males score higher on tests that measure mathematical reasoning.
在测试数学推理 、 机械能力和解题技能方面.
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We left three offspring behind with purely Grand Master genetic strain, one female and two males.
我们留下了三个有完整大师基因血统的子女, 一个女人和两个男人.
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PSA is better known as a serum test to detect males that may have prostate cancer.
PSA因其用于对可能患有前列腺癌的男性作血清检测而闻名.
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生物学家几十年来一直宣称,选择性伴侣时,男性随便而女性挑剔.
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