例句 |
After mating, male and female sheep are usually kept apart.公羊和母羊交配以后一般都被分开。The implication is clear: young females do better if they mate with a new male.含意很清楚:年轻雌性如果与陌生雄性交配表现会更好。The birds were performing a complex mating ritual.这些鸟在进行程序复杂的交配。It is easy to tell when a female is ready to mate.很容易辨别雌性动物何时准备交配。They mated a horse with a donkey.他们把一匹马同一匹驴交配。Birds of many species pair before they display.许多种鸟类在作求偶炫耀行为之前交配。The males establish their territory before mating.在交配之前,雄性动物要确立自己的领地。This allows the pair to mate properly and stops the hen staying in the nest-box.这样可以使这对公鸡和母鸡正常交配,让母鸡不再呆在鸡窝里。The map on the opposite page shows where these birds commonly breed.对页上的地图表明这些鸟一般在什么地方交配繁衍。They want the males to mate with wild females.他们希望这些雄性动物可以和野生的雌性动物交配。After mating the male wasps tunnel through the sides of their nursery.交配之后,雄黄峰们就从蜂房的侧面钻出去了。She never lost interest in the birds' morning feeding activities, migrations, mating habits.她对鸟类的早晨觅食活动、迁徙及交配习惯一直感兴趣。To avoid competition, breeding/mating pairs stay away from other male chimpanzees.为了避免竞争,生育/交配的成对黑猩猩会躲开其他雄性猩猩。It's quite common for male birds to mate with several females.雄性鸟和多只雌性鸟交配很正常。The queen is likely to mate with two or three drones.蜂王可能与两三只雄蜂交配。The majority of amphibians mate in water.大部分两栖动物在水里交配。After mating the male bees will die.雄蜂交配之后会死去。During the rutting season the big boars have the most terrible mating battles.大野猪到了发情期会为了交配而斗得不可开交。Selective breeding may result in a greyhound running faster and seeing better than a wolf.选择性交配繁殖有可能培育出比狼速度更快、视力更佳的灵犭是。Rabbits can be mated as early as six months old.兔子在六个月大时就可以交配了。A mule is a cross between a female horse and a male donkey.骡是雌马和雄驴交配而生的杂种。Tigers mate repeatedly over a period of several days.老虎在几天里多次交配。Some animals have complex mating rituals before they copulate.有些动物在交配之前有复杂的交配仪式。The heifers ran with the Hereford bull and produced their first calf.小母牛与这头海福特公牛交配,生下了第一头小牛。Eagles breed during the cooler months of the year.鹰在一年中较凉爽的季节交配繁殖。Researchers mated two different kinds of mice.研究人员使两种不同种类的老鼠交配。Many animals mate in the spring.许多动物在春天交配。Many kinds of insect find their mates by scent.许多昆虫通过气味找到交配对象。He breeds dogs and sells them as pets.他饲犬作交配,并把它们作为宠物出售。Male and female adults mate, the female lays eggs, and the cycle begins all over again.成年雄性和雌性交配,雌性产卵,周而复始。The farmer put a heifer to a bull.农夫让一头小母牛与公牛交配。A close parallel to this mating pattern is found in dolphins.在海豚身上发现了与此极为相似的交配模式。Ravens nest very early in the spring and they pair off in the late autumn.渡鸦早春筑巢,晚秋交配。During the time she is paired to a male, the female allows no other males to copulate with her.雌性与雄性配对时,雌性不允许其他雄性与之交配。 |