它是雄的还是雌的？
在《创世记》中，上帝命令诺亚建造一艘巨大的船只，带上“每种(动物)……雄的和雌的各一个……陆地上所有用鼻孔呼吸的动物。”
In the Book of Genesis, God commands Noah to built the massive vessel and bring "every sort [of animal]... male and female... everything on the dry land in whose nostrils was the breath of life."
亲爱的游客朋友，荔波不仅有石上森林，还有水上森林，一刚一柔、一雄一雌的阴阳对称在荔波得到了完美展现。
Dear visitors, Libo boasts not only a forest on rocks, but also an overwater forest. They respectively embody strength and tenderness, showing a perfect symmetry of nature in Libo.
阿拉斯加地区的海象——尤其是正处于繁殖期的雌海象，在夏秋季节通常活跃在北极的大片浮冰上。
Alaska's walrus, especially breeding females, in summer and fall are usually found on the Arctic ice pack.
每年夏天生活在楚科奇海域的绝大部分海象都是雌海象，它们吃食遍布海底的蛤蜊储蓄脂肪。
The vast majority of walruses in the Chukchi each summer are females who fatten up on clams that populate the seafloor.
科学家们还试图利用雌蟒在繁殖期发出的气味引诱雄蟒掉入陷阱。
Scientists are also trying to lure male pythons into traps using the scent that females emit at breeding time.
然而，当蓝喉雄性蜥蜴与橙喉雄性蜥蜴正在奋力争夺、决一胜负的时候，黄喉雄性蜥蜴则会偷偷摸摸地溜到没有设防的领地，寻找雌蜥蜴。
As the blues and oranges battle it out, the yellow throats sneak into unprotected territories to find females.
雌蝴蝶在植物的叶片上产卵。
此外，大部分雌苏铁球果的结构似乎与风直接授粉不一致。
Furthermore, the structure of most female cycad cones seems inconsistent with direct pollination by wind.
他们看到，如果雌鱼吃了对虾——即使是在这个陌生的实验室环境中——雄性裂唇鱼也会惩罚或驱赶雌鱼。
They saw that the male cleaner fish — even in this unfamiliar lab setting — would punish or chase away the female fish if the females ate a prawn.
用组织学方法初步研究了罗氏沼虾雌体腹肢外骨骼的结构。
The exoskeleton structure of female pleopod in Macrobrachium rosenbergii was primarily investigated by histological method.
由马戏团饲养的雌象的状态又是怎样呢？
雌鼠们表现出明显的偏好。
两只小一点的雌猩猩在附近伸出手来，好像是在乞讨。
Two smaller, female chimps were nearby with their hands stretched34 out, as if begging.
一只有56英寸翼展的成年雌红尾鹰，可以重达四磅，为了捕杀可以120英里的时速俯冲。
With its 56-inch wingspan, a mature female red-tailed hawk can weigh up to four pounds and dive for the kill at 120mph.
受精后的雌虫（有60-100厘米长）在皮肤组织以下游走，一直游到下肢，形成一个水疱或者造成肿胀，虫子最终会钻出来。
The fertilized female worm(s) (which measures from 60–100 cm long) migrates under the skin tissues until it reaches the lower limbs, forming a blister or swelling from which it eventually emerges.
这些发现说明，雌蛙可以以雄蛙的鸣叫技术为标准，很快地选择配偶。
These findings suggest that female frogs are forced to choose their mates, based on their vocal skills, very quickly.
如果雌蚊离你足够近，就会用它们的热感应器来寻找你。
If the female mosquitoes are close enough, they can also find you using their heat sensors.
这5只有尿路感染史的宠物狗中，有4雌1雄。
Of those dogs with urinary tract infections, four were female and one male.
每只雌帝王蟹每年生下约10000只存活的后代，单在巴伦支海目前就有2000万只。
Every year, each female king crab gives birth to around 10,000 surviving offspring and there are now 20 million in the Barents Sea alone.
每只雌帝王蟹每年生下约10000只存活的后代，单在巴伦支海目前就有2000万只。
Every year, each female king crab gives birth to around 10, 000 surviving offspring and there are now 20 million in the Barents Sea alone.
萨姆森——事实上被看做是条雌龙——一些古生物学家认为她是一个霸王龙新种，不是我们常说的霸王龙。
Samson—actually reckoned to be a female—is thought by some palaeontologists to be an example of a new tyrannosaur species, not the familiar rex.
在气味标记上发现同样的结果，和正常雄鼠一样，转基因鼠会在笼子的任何角落里撒尿(不同于雌鼠，雌鼠有固定的厕所)。
The same was found for scent-marking. Like normal males, the mutant mice urinated in various spots around their cage (unlike females, who create a single latrine).
与她们的树枝娃娃玩耍的时候，小雌猩猩们会抱着它们，把它们放到窝中与自己一同在床上休息，就像小女孩出于安全起见与自己的玩具睡在一起一样。
When playing with their doll-sticks, the young females would cuddle with them, put them to bed and rest with them in their nests like a little girl sleeping with her plush toy for security.
研究人员用立体声系统对着雌泡蟾和食蛙蝙蝠播放了不同的雄性的鸣音，观察它们最先接近哪一种鸣叫的来源。
The researchers played different túngara frog songs to female frogs and frog-eating bats on a stereo in order to see which speaker they approached first.
这样的空当就给了雌杜鹃自由选择巢穴产卵的机会。
Such leeway would make it easier for a female cuckoo to lay where she chose.
只有26天大的迪玛是一只苏门答腊虎宝宝，它和5个月大的雌猩猩厄玛相拥在一起。
Dema the 26-day-old endangered Sumatran Tiger cub cuddles up to 5-month-old female Orangutan, Irma.
这些有毒物质会限制毛毛虫的生长，减少雌蛾产卵的数量。
These noxious substances limit caterpillars' growth and reduce the number of eggs that female moths lay.
这些有毒物质会限制毛毛虫的生长，减少雌蛾产卵的数量。
These noxious substances limit caterpillars' growth and reduce the number of eggs that female moths lay.
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