“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."
这一现象促使德兰格得出结论，这棵野生的贝氏海桐花可能不是真的是雌性的。
This phenomenon led De Lange to conclude that the wild Pennantia baylisiana might not truly be female after all.
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.
“要想保障繁殖，雌性的比例应该高一点”，沃肖尔告诉我。
"You want to have a higher ratio of females to males for reproduction insurance," Warshall told me.
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.
或者说，雌性的拟态行为帮助它们在数量上更接近雄性了。
In other words, their mimicry improved as their Numbers increased relative to the amount of males.
注射强力霉素抗生素条件下，该雌性的比格犬确实在紫外光照射下发光。
When given a doxycycline antibiotic, the female beagle literally glows under UV light.
男性不能携带妻子、女友、情人入山，就连雌性的猫、狗、鹦鹉等宠物也不行。
A male can not be accompanied by his wife, girlfriend, lover or even any female pet, whatever it is - kitten, doggy or parrot!
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.
甚至有可能雄性的三只脚搭在雌性的身上，然后用尾巴裹住雌性的尾巴。
The male may even have rested three legs on the female and wrapped his tail under hers.
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。”
"Being female and being in a species where male-male competition is less intense are both good for longevity apparently, " Alberts said.
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.
6月21日在捷克布拉格汉诺威动物园里一只雌性的河马Maruska正凝视着她的婴儿宝宝。
Female hippo Maruska looks at her baby in their enclosure at the zoo in Prague, Czech Republic, on June 21.
雌性的银杏树会结果实，造成困扰；果实外壳厚实，含有丁酸，这种成分也会出现在酸腐的牛油中。
Female ginkgoes produce the troublesome seeds, which are covered in a fleshy coating that contains butyric acid, also found in rancid butter.
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.
特别是当你的伴侣是雌性的Leucaugeargyra时，一种中北美洲的凶残蜘蛛。
In this context, the females of Leucauge argyra, a Central American species, are particularly fiendish.
穆兰说道“那，那，只有雌性的可以产卵”。她的目光在天花板上徘徊，她在吸收消化这些内容。
"Soooooo, only the females have the eggs." Mulan said, her eyes wandering to the ceiling, taking this all in.
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.
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.
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。
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.
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.
比如说，一个雌性的胎儿夹在俩个雄性的胎儿中间，当它长大后就会更多地表现出一些雄性特征，因为它受到了男性激素的影响。
For example, a female fetus that spends the pregnancy sandwiched between two brothers grows up to be more masculinized, because she's been exposed to their hormones.
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.
同时，因为肿瘤会干扰到袋獾的进食，所以生病的袋獾通常会变得非常衰弱，这个时候，雌性的成年袋獾就很容易丧失它们的幼仔。
Sick devils also become emaciated, because the tumors interfere with eating, and many mothers lose their young.
还有一个发明是纳森•梅尔沃德的最爱——激光灭蚊器，该灭蚊器能够区分蚊子的性别，因为雄性的蚊子不会携带疟疾传播，但雌性的蚊子会。
And then there's Myhrvold's favorite -- a laser mosquito zapper that can tell the difference between males, which aren't carriers of malaria, and females, which are.
这种来自墨西哥和美国西南部的、全为雌性的蜥蜴物种（脊索动物门臼齿蜥科Aspidoscelis属）能够在无需雄性授精帮助的情况下繁殖良种后代。
This all-lady lizard species (of theAspidoscelis genus) from Mexico and the U.S. Southwest manage to produce well-bred offspring without the aid of male fertilization.
这种来自墨西哥和美国西南部的、全为雌性的蜥蜴物种（脊索动物门臼齿蜥科Aspidoscelis属）能够在无需雄性授精帮助的情况下繁殖良种后代。
This all-lady lizard species (of theAspidoscelis genus) from Mexico and the U.S. Southwest manage to produce well-bred offspring without the aid of male fertilization.
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