If you examine the metabolic rates of the two sexes you establish that the higher male metabolic rate roughly accounts for the lower male life span.
如果你研究两性的代谢率，你就会发现，男性较高的代谢率大致解释了为何他们寿命较短。
Since only one female usually lays eggs in a given larva, it would pay her to produce one male only, because this one male could fertilize all his sisters on emergence.
因为通常只有一只雌性在一个特定的幼虫中产卵，所以它只会产生一只雄性，因为这只雄性可以在孵化时使它所有的姐妹受精。
Cities and programs should establish support groups for male early childhood educators and provide mentoring and professional development advice for male educators and their program leaders.
城市和项目应为男性幼儿教育工作者建立支持小组，并为男性教育工作者及其项目负责人提供职业辅导和专业发展建议。
For a long time biologists believed that male deer used buck rubs not only to clean and polish antlers but also to provide practice for the ensuing male-to-male combat during the rut.
长期以来，生物学家们认为雄鹿擦痕不仅可以清除并磨光鹿茸，还可以借此练习发情期时雄鹿之间的角斗。
Male primogeniture was far more widespread than male ultimogeniture.
男性长子继承权比男幼子继承制更广泛传播。
She says "I hate to say there are female and male ways of dealing with power, because I think each of us has a male and a female part."
她说：“我不认为女人和男人有各自不同的方式处理权利，因为我认为我们每一个人身上都兼有男性和女性的特质。”
If the male foetus does not receive enough male hormone at the appropriate time, one of two things may happen.
如果在适当的时间内，男性胎儿没有接收到足够的雄性激素，就会发生两件情况之一。
In species where males compete for females, females will only reproductively benefit from having a male if they have enough resources to have a large, competitive male.
雄性竞争雌性的物种中，只有在有足够的资源的情况下，雌性才能通过得到强大、有竞争力的雄性而使物种受益。
This means focus more on male gender issues and work out how to incorporate both male and female issues and address them simultaneously,” she says.
这就意味着更多地关注男性的性别问题，找到把男性与女性问题结合起来并同时解决它们的方法。
One time, when I looked down to my arms during this episode, these looked like male arms including male hair growth.
有一次我低下头看到我的手臂就像一个男人的手臂一样，上面还长满了男人的汗毛。
Best Line: "it was we, the people; not we, the white male citizens; nor yet we, the male citizens; but we, the whole people, who formed the Union."
点睛之笔：“我们，指的是所有人；而不仅仅是白人男性公民；也不仅仅是男性公民。”我们，就是组成联邦的全体人民。
In the third phase of the experiment a male was placed in the cage over the box where the female had once been, and the amount of aggression towards this male from the nesting male was measured.
试验的第三阶段，是在原先放雌性白领姬鹟的笼子里放入新的雄性白领姬鹟，并测量盒子里的雄性白领姬鹟对这只新出现的雄性白领姬鹟的攻击行为。
If a male bobolink hears another male calling in his territory, he'll chase the intruder away.
如果一只雄性食米鸟听见另一只雄性在自己的地盘鸣叫，它会把入侵者赶走。
Male rats which are injected with additional male hormone find their way out of a maze quicker than normal male rats.
给雄性老鼠注射更多的雄性激素后发现，它们走出迷宫的速度比普通老鼠快；
Smith concludes: "Our findings demonstrate that women's memory is enhanced with lower pitch male voices, compared with the less attractive raised pitch male voices.
史密斯总结道：“我们的发现证明了相比缺乏吸引力的高音男声， 低音男性声音更能加深女性的记忆。
In the original study, 86% of the victims of male killers aged between 15 and 19 were also male.
在最初的研究中，年龄在15到19岁的男性凶犯，其被害者的86%也是男性。
This, coupled with a cultural preference for male offspring, has led to a significant imbalance between the number of male and female children born to its citizens.
这，连同文化上对男性后代的偏好，已经导致了它公民男女性别出生率与数量的巨大失衡。
The median male worker in America today makes less than the median male worker did, after inflation, in the 1970s.
今天美国男中产阶级工人赚的比过去通货膨胀后的1970年时的男中产阶级工人所赚的要少。
Larger reductions were observed among young male drivers and among male motorcycle or moped riders than among the drivers of other vehicles.
与其他车辆司机相比，年轻男性司机中以及男性摩托车或电动车司机中受伤者人数出现较大幅度下降。
The reality is that it has been around for as long as male foetuses missed out on their suffi - cient share of male hormones.
事实是，只要男性胎儿错失足够份量的雄性激素，这种现象就会一直存在。
Other terms for so-called male menopause include testosterone deficiency, androgen deficiency of the aging male and late-onset hypogonadism.
男性经绝期其它的名称还有：睾丸素缺乏症、老年雄激素缺乏症和迟发性性功能减退。
There's the primeval fresh water, fresh water ocean, Apsu Which is identified with a male divine principle, a male god Apsu.
有原始的淡水，淡水海洋，它与男性神道有关，这个男性神灵叫做。
"Being female and being in a species where male-male competition is less intense are both good for longevity apparently, " Alberts said.
艾伯茨说：“显然，雌性的寿命更长些，而且雄性间竞争不甚激烈也有助于长寿。”
Male listeners sought tests for HIV/AIDS four times as much as male non-listeners.
男性听众寻求HIV/AIDS测试的人数是不收听节目的男性中寻求测试的人数的四倍。
The condition affects up to one in 1, 000 boys – physically I'm male, but genetically I'm male and female.
这种情况的在1000个男孩中就有一个。 从生理上讲，我是男性，但是从基因上来说，我是男女双性。
A 13-year-old male western chimpanzee disciplining playful three-year-old infant male in Mont Nimba, guinea.
在几内亚蒙特宁巴，一只13岁的雄性西方黑猩猩在教训一只开玩笑的3岁小黑猩猩。
In an initial experiment, researchers Nicholas Rule and Nalini Ambady from Tufts University perused online dating sites and carefully selected 45 straight male faces and 45 gay male faces.
在一项初步实验中，来自Tufts大学的研究人员NicholasRule和Nalini Ambady从在线约会网站中精选了45张异性恋照片和45张男同性恋照片。
Indeed, one can argue that most violent crimes occur because of reproductive competition (e.g., male-male assaults and homicides, domestic violence).
人们可以争辩说，最严重的暴力犯罪发生的原因是生殖竞争(例如，男性对男性的攻击和杀人，家庭暴力)。
Indeed, one can argue that most violent crimes occur because of reproductive competition (e.g., male-male assaults and homicides, domestic violence).
人们可以争辩说，最严重的暴力犯罪发生的原因是生殖竞争(例如，男性对男性的攻击和杀人，家庭暴力)。
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