“狼蛛，”她说，“会抚摸雌性的腿部，以确保她能接受。”
"A tarantula," she says, "will stroke the female's legs to ensure she is receptive."
与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。
Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.
琵琶鱼是稀有的深海鱼类，雌性的体型通常比雄性要大出许多。
Anglers are rare, deep sea-dwelling fish, and females typically dwarf males.
这些行为在十四年间被观察到了一百多次，不仅限于雌性的小猩猩们。
All this behavior, which was witnessed over a hundred times during 14 years, was not just limited to girl chimps.
例如，美国的一种雄性鱼类，由于在水中接触了雌激素，会长出一些雌性的器官。
Some male fish in the U.S., for example, have been growing female parts due to exposure to estrogen in the water.
对人类而言，就像对大多数动物物种那样，雌性的身体状态对繁殖的成功非常重要。
In humans, as in most animal species, the state of the female body is very important for the success of reproduction.
通常确定化石的性别是一个挑战，但龙蛋成了确定此化石标本为一成年雌性的强有力的证据。
Determining fossil gender is a challenge, but the presence of the egg is strong evidence this individual was a mature female.
喙的颜色可以用来区分翠鸟的性别：雄性的喙大部分是黑色，而雌性的下颌是橙色的，正好同它的脚相配。
Beak color gives away a kingfisher's gender: males show mostly black, while females have an orange lower mandible that matches their feet.
像孔雀鱼一样，雄性蟋蟀也要争夺雌性的青睐，虽然他们使用的是音乐大师般地动听啁啾，而不是视觉盛宴。
Like guppies, male crickets compete for female favour-though by virtuoso chirping, rather than visual displays.
俄罗斯克拉斯诺亚尔斯克的RoevRuchey动物园内，一只雌性的西伯利亚赤鹿站在露天笼舍里看向摄影镜头。
A female Siberian maral looks at a camera in its open-air cage at the Roev Ruchey Zoo in Krasnoyarsk, Russia.
像古比鱼一样，雄性蟋蟀之间会相互竞争以得到雌性的青睐---只是不是通过视觉上的表现，而是通过富有艺术性的鸣叫。
Like guppies, male crickets compete for female favour--- though by virtuoso chirping, rather than visual displays.
雌性要抚育它们的幼仔三至四个月，直到小宝宝能够自己游泳。
Females nurse their young for three to four months until the babies can swim on their own.
几年之后菲菲成为了女头领，九个后代中存活了七个，是所有雌性大猩猩中留下后代最多的一个。
Years later Fifi climbed to top matriarch, with seven of nine offspring surviving-the most of any female.
这种光来自雌性萤火虫鱿鱼，它们在春天产卵，死后，被冲上海岸。它们的触须像数百万碧绿色LED灯似地闪亮。
The light comes from female firefly squid, which spawn in spring, then die and wash ashore, their tentacles lit like millions of aquamarine LEDs.
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。
It may be that males can use scarce carotenoids either for immune defense and detoxification or for attracting females.
雌性草海龙一次大约能产卵250枚，而照看这些卵的任务却由雄性承担。
The female produce 250 eggs at a time and the male looks after them.
比如，雌性灵长类动物临近排卵期时，身体的某些部位会泛红，这可能就是一种求爱信号。
For instance, among primates, females display more red on parts of their body when they are nearing ovulation, probably to attract the male of the species.
挪威的捕鲸人昨天说他们用捕鲸叉捕获了一头雌性小须鲸。
Norwegian whalers said yesterday they had harpooned a female minke whale.
在雌性中，通过从胆固醇中合成雄烯二酮，开始在卵巢的间膜细胞中合成雌激素。
In females, synthesis of estrogens starts in theca interna cells in the ovary, by the synthesis of androstenedione from cholesterol.
登革热病毒通过传染性雌性伊蚊的叮咬传染给人类。
Dengue viruses are transmitted to humans through the bites of infective female Aedes mosquitoes.
但是银杏树和美国常见的树种不同，它是雌雄异株植物，也就是说银杏树有分雄性和雌性。
But unlike most tree species common in the us, the ginkgo is dioecious, meaning trees are male or female.
在周四，泰山将和来自亚特兰大动物园的表亲、3岁的雌性熊猫梅兰，一起前往中国参加一个饲养计划。
On Thursday, Tai Shan goes to China to take part in a breeding program, along with his three-year-old female cousin Mei LAN, from Zoo Atlanta.
事实上，只要葡萄出现在其它房间里（不用有猴子真的去吃），就足以引起一只雌性卷尾猴的愤恨。
Indeed, the mere presence of a grape in the other chamber (without an actual monkey to eat it) was enough to induce resentment in a female capuchin.
在雌性毒蜘蛛“黑寡妇”的腹部可以看到有威慑作用的红点。
It's the female black widow spider that is venomous and displays a menacing red dot on her abdomen.
我们观察的结论是，高雌激素水平抑制了雌性啮齿动物的认知能力。
Our findings... show conclusively that high estrogen levels inhibit the cognitive ability in female rodents.
雄性和雌性非洲象的象牙是用于掘食、掘水以及剥取树皮的。
Both male and female African elephants have tusks they use to dig for food and water and strip bark from trees.
雄性和雌性非洲象的象牙是用于掘食、掘水以及剥取树皮的。
Both male and female African elephants have tusks they use to dig for food and water and strip bark from trees.
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