He used to breed dogs for the police.
他过去为警察部门养殖狗。
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。
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。
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。
They don't even come ashore to breed.
它们甚至不到岸上来繁殖。
Once every three or four years, when conditions are right, the lake is covered with the pink birds as they stop flight to breed.
每隔三四年，条件适宜时，湖面上就会布满火烈鸟，它们停止飞行开始繁殖。
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。
Where there is water nearby, make a special effort to breed fish.
守着水的地方要多养鱼。
Insects have an ability to breed rapidly.
昆虫有着很强的生育能力。
Nor does anyone know how to breed eels in captivity.
也没有人知道如何人工饲养繁殖鳗鱼。
Though they are too large-breasted to breed naturally.
虽然它们胸太大而不能自然饲养。
What does it take to encourage endangered species to breed?
用什么措施来鼓励濒危物种的繁殖呢？
Expert Says Now is Time to Breed for Disease resistance.
专家说现在应该开始繁殖防疾病的种类了。
Over time, unemployment begins to breed its own problems.
时间一过，失业本身就会产生出问题。
He says he will try to breed more cattle and rebuild his life.
他说他会尽力繁殖更多的牛和重建他的生活。
It is also possible to breed plants that contain more nutrients.
种植含有更多营养的植物也是一种可行的方法。
This is because some emotions tend to breed stories in the mind.
这是因为某些情绪很容易在你的意识中产生出故事情节。
Open source software seems to breed these sorts of communal initiatives.
开源软件吸收了这类社会性创意。
They find it too hard to get work, too easy to get welfare and too tempting to breed.
这些人很难找到工作，却很容易得到救济并前方百计的生育后代。
The birds spend most part of their lives in an ocean. They stay ashore 4 months a year to breed.
簇羽海鹦一生几乎都在海上度过，每年只在岸上停留4个月繁殖。
This experience underscores my conviction that rapid regulatory change tends to breed confusion.
这个经历增强了我的信念，即快速的监管变化往往会引起混乱。
In monogamous gulls and albatrosses, it gave females the chance to breed without a male partner.
海鸥与信天翁同样有“一夫一妻”传统，不过雌性在没有雄性的前提下可以更好的哺育后代。
With high protein content, and the ability to breed fast, the snail was seen as an ideal food source.
由于这种蜗牛含有丰富的蛋白质，繁殖速度快，因此被认为是一种理想的食品来源。
They don't like being handled, are very sensitive to changes in their environment and are very hard to breed.
它们不喜欢被管理，对周围环境变化非常敏感及繁殖困难。
The university, with the help of Germany's Leipzig zoo, is leading a project to breed amphibians in captivity.
在德国莱比锡动物园的帮助下，该大学正在主持一个圈养繁殖两栖动物的研究项目。
Salmon hatch in its waters, migrate downstream to the Pacific Ocean, and return against the current to breed.
每年鲑鱼卵都会在哥伦比亚河中孵化，小鲑鱼顺流而下进入太平洋，等到成熟后又会逆流而上抚育下一代。
Salmon hatch in its waters, migrate downstream to the Pacific Ocean, and return against the current to breed.
每年鲑鱼卵都会在哥伦比亚河中孵化，小鲑鱼顺流而下进入太平洋，等到成熟后又会逆流而上抚育下一代。
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