The males guard their mates zealously.
雄性动物热情地守护它们的交配对象。
Hay fever affects males more than females.
男性感染花粉热多于女性。
They want the males to mate with wild females.
他们想让这些雄性动物和野生的雌性动物交配。
Males and females take turns brooding the eggs.
雌雄轮流孵卵。
More females than males are employed in the factory.
这家工厂雇用的女性比男性多。
We based our analysis on a random sample of more than 200 males.
我们把我们的分析基于二百多名男性的一组随机抽样。
During the time she is paired to a male, the female allows no other males to copulate with her.
雌性与一雄性配对时，雌性不允许其他雄性与其交配。
Males between 18 and 20 had to leave a deposit as a guarantee of returning to do their military service.
18岁至20岁的男性必须留下押金作为回来服兵役的担保。
One emotion males are allowed to express is anger.
允许男性表达的一种情绪是愤怒。
Is there one form for females and another for males?
对于女性有一种形式，而对于男性却有另一种形式吗？
Males' difficulty with "tender" emotions has serious consequences.
男性难以表达“温柔”的情感会带来严重的后果。
I mean, can you see him mixing with all those hearty males down the farm?
我的意思是，你能看到他和农场里那些健壮的男性混在一起吗？
Until the 1980s, the American homeless population comprised mainly older males.
到20世纪80年代，美国的无家可归者主要由老年男性组成。
Males contribute to parental care in fewer than five percent of all mammalian species.
在所有哺乳动物物种中，只有不到5%的雄性承担父母养育的责任。
In these species, fertilized eggs develop into females and unfertilized eggs into males.
在这些物种中，受精卵发育为雌性，未受精卵发育为雄性。
The female birds have the same pattern as the males, but they are a little duller in color．
雌性鸟类与雄性鸟类有相同的图案，但是雌性鸟类的颜色更暗淡一点。
In recent years, however, weight training has again become increasingly popular for males and for females.
然而，近年来，举重再次成为越来越受男性和女性欢迎的运动。
In studies, we found that when it comes to reproduction, freezing diminishes the mating performance of males.
我们在研究中发现，在繁殖方面，严寒会削弱雄性的交配表现。
Those dinosaurs on the nests were probably adult males who wouldn't have needed calcium for making eggshells.
巢里的那些恐龙可能是成年雄性，不会需要用来制造蛋壳的钙。
Males gained entry to the business of recording, defining and interpreting events in the third millennium B.C.
在公元前3000年，男性开始从事记录、定义和解释事件的工作。
Most are made by older males, although females and younger males (2.5 years old or less) occasionally make scrapes.
绝大部分雄鹿窝由年龄更大的雄性制造，但有些雌性和年轻雄性（2.5岁或更年轻）偶尔也制造雄鹿窝。
It may be that males can use scarce carotenoids either for immune defense and detoxification or for attracting females.
可能是雄性可以利用稀少的类胡萝卜素进行免疫防御和解毒，或者吸引雌性。
Males that are more susceptible to disease and parasites will have to use their carotenoids to boost their immune systems.
那些更容易感染疾病和寄生虫的男性将不得不使用他们的类胡萝卜素来增强他们的免疫系统。
Studies of several animal species have shown that when choosing mates, females prefer males with brighter carotenoid-based coloration.
对几种动物的研究表明，在选择配偶时，雌性更喜欢鲜艳的类胡萝卜素着色的雄性。
Above all, like their female human counterparts, they tend to pay much closer attention to the value of "goods and services" than males.
最重要的是，与人类中的女性一样，比起雄性，她们往往更关注“商品和服务”的价值。
Its directives are couched in the masculine singular, so it seems to be addressing Israelite males as the legal subjects in the community.
它的指令是用阳性单数来表达的，所以它似乎是把以色列男性作为社会的法律主体。
Tigers fight to death only when a tigress is defending her young, or when a tiger is guarding a tigress from the attentions of other males.
只有当母老虎在保护自己的幼崽时，或者当公虎在保护母老虎不受其他雄性动物的注意时，它们才会殊死搏斗。
Because language centers are smaller, and only located in one hemisphere, this puts males more at risk for language disorders like dyslexia.
因为语言中心更小，而且只位于一个半球，这就使男性更容易出现语言障碍，如诵读困难。
This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers , and why male fiddler crabs have such large claws.
这就是为什么一些雄鸟长着充满异国情调的羽毛，为什么麋鹿拥有巨大的鹿角，为什么雄性招潮蟹有这么大的爪子的原因之一。
Japanese males have shifted increasingly to aggression previously linked with women, such as bullying others by excluding them from conversation, he said.
他说，日本男性渐渐地转向以前与女性有关的攻击，比如通过将人们排除在谈话之外来欺凌他人。
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