He used to breed dogs for the police.
他过去为警察部门养殖狗。
Frogs will usually breed in any convenient pond.
青蛙通常在任何适宜的水塘里繁殖。
Many animals breed only at certain times of the year.
很多动物只在一年的某个时候交配繁殖。
Just because a bird does not breed one year, it does not follow that it will fail the next.
不能仅仅因为鸟一年没有繁殖就推断它下一年也不会繁殖。
Rabbits propagate [breed] rapidly.
兔子繁殖迅速。
它们每年繁殖两次。
They don't even come ashore to breed.
它们甚至不到岸上来繁殖。
Verily they breed like rabbits, to-day.
现在他们确实像兔子一样地繁殖。
These offer a different breed of bargain than flea markets.
这些市场提供了与跳蚤市场不同种类的便宜货。
To Galbraith, materialism had gone mad and would breed discontent.
在加尔布雷斯看来，物质主义已经变得非常疯狂，并且会滋生不满情绪。
Every dog or cat has its own needs, some of which are specific to the breed.
每只狗或猫咪都有自己的需求，其中有些品种有特定的需求。
In 2001, the International Cat Association accepted it as a new registered breed.
在2001年，国际猫协会接受了它作为一个新的注册品种。
And in 2001, the International Cat Association accepted it as a new registered breed.
在2001年，国际猫协会接受了它作为一个新的注册品种。
With active habitat selection, an organism is able to physically select where to live and breed.
通过主动选择栖息地，生物体能够在生理意义上选择生存和繁殖的地方。
A male calf born to a dairy cow is the wrong breed to profitably be raised for beef. His fate is much worse.
出生在乳制品作坊的公牛犊就是一个错误的品种，养着只能制成牛肉卖钱。它的命运更加坎坷。
Even though we have the technology to track, capture, protect, and breed endangered animals, that doesn't imply that we should actually do it.
尽管我们拥有追踪、捕获、保护和繁殖濒危动物的技术，但并不意味着我们真的应该这么做。
It is an effective approach to breed the resistance cultivars of seedless grape by transferring resistant gene into the cultivars of Vitis vinifera.
将抗性基因转入葡萄品种是培育无核葡萄抗病品种的有效途径。
Soon tulips were beginning to show up in different colors as growers tried to breed them specifically for colors which would make them even more valuable.
很快，随着种植者们试图培育出更具有价值的颜色，开始有不同颜色的郁金香出现。
Ducks are birds that feed and breed in areas where there is a lot of water, but their habitats have been shrinking in recent decades because of the droughts.
鸭子是在有大量水的地方觅食和繁殖的鸟类，但近几十年来，由于干旱，它们的栖息地一直在缩小。
King penguins are the second-largest type of penguin and only breed on specific isolated islands in the Southern Ocean where there is no ice cover and easy access to the sea.
帝企鹅是企鹅的第二大种类，它们只在南大洋的特定孤岛上繁殖，那里没有冰层覆盖，很容易进入大海。
Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species.
某些种类的北极鸟受到近来雪雁数量急剧增加的威胁，这些雪雁在北极繁殖，并且正在取代生命力较弱的鸟类。
He represents a new breed of politician.
他代表着新一类的政治家。
Cheetahs breed very poorly in captivity.
猎豹在圈养的情况下繁殖力很差。
Players as skilful as this are a rare breed.
如此有技巧的演奏者很少见。
If they are unemployed it's bound to breed resentment.
如果他们失业了,一定会酿成怨恨。
The whales migrate some 6,000 miles to breed and calve in the warm lagoons.
这种鲸鱼环游了6,000英里到暖水湖里生育繁殖。
Since they can and do successfully inter-breed, they cannot be classed as different species.
既然它们能够而且确实可以成功杂交繁殖，它们就不能被归为不同的物种。
Hard times breed hard feelings.
艰苦的日子会酿成怨气。
它们需要繁殖。
Officials at Port Lympne were delighted with the new arrival, especially as black rhinos are known for being difficult to breed in captivity.
林姆尼港的官员们对新生命的到来都感到十分开心，特别是因为黑犀牛以难以圈养而闻名。
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