He lived alone, breeding horses and dogs.

他独自生活,养殖马和狗。

During the breeding season the birds come ashore.

在繁殖期鸟儿们上岸。

Warm milk is the ideal breeding ground for bacteria.

温牛奶是细菌理想的繁殖地。

The female changes colour during the breeding season.

在繁殖季节，雌性改变身上的颜色。

Among his many hobbies was the breeding of fine horses.

在他的众多爱好中有饲养名马。

There is potential for selective breeding for better yields.

以优产为目的的精选养殖是有潜力的。

It's a sign of good breeding to know the names of all your staff.

知道你所有职员的名字是有良好教养的表现。

Selective breeding may result in a greyhound running faster and seeing better than a wolf.

选择育种可能会培育出一种比狼跑得更快、视力更好的灵缇。

Successful breeding requires quiet, peaceful conditions with as little disturbance as possible.

成功繁殖需要安宁的环境，干扰越少越好。

Its breeding grounds are now better preserved.

它的繁殖地现在得到了更好的保护。

Whales will invade king penguins' breeding grounds.

鲸鱼会入侵帝企鹅的繁殖地。

The king penguins there are reluctant to leave for new breeding grounds.

那里的帝企鹅不愿动身去新的繁殖地。

He collects the excrement from a panda breeding center in southern China.

他从中国南方的一个大熊猫繁殖中心收集其粪便。

The majority of them may have to find new breeding grounds in the future.

它们中的大多数在未来可能不得不寻找新的繁殖地。

Only a few of its islands can serve as huge breeding grounds for king penguins.

只有一小部分岛屿可以作为帝企鹅的繁殖地。

To look upon firmly in the eye is considered a sign of ill breeding and is felt to be annoying.

盯着别人的眼睛看被认为是没有教养的表现，会让人觉得厌烦。

CIBC is also perfecting the technique for breeding parasites that prey on "disapene scale" insects.

CIBC 还在完善培育寄生虫的技术，这些寄生虫以“disapene scale”昆虫为食。

It reproduces incredibly quickly, breeding up to 12 generations per year if conditions are favorable.

它的繁殖速度快得令人难以置信，在条件适宜时，一年可繁殖12代。

As the distance between their breeding grounds and their food grows, entire colonies could be wiped out.

随着它们的繁殖地和觅食地之间的距离越来越远，整个群落都可能会灭绝。

"I'm trying three methods of breeding," Farrant says, "conventional, genetic modification and gene editing."

法兰特说：“我正在尝试三种育种方法，常规方法、基因修饰和基因编辑。”

Certain shorebirds depend on these eggs for food during their annual spring migration to their northern breeding grounds.

某些海鸟在每年春季迁徙到北方繁殖地时，以这些鸟蛋为食。

To overcome this, Borlaug worked on breeding wheat with shorter and stronger stalks, which could hold on larger seed heads.

为了克服这个问题，博洛格致力于培育具有更短更强壮茎干的小麦，这样的小麦可以拥有更大的种子头。

It involved research in genetics, plant breeding, plant pathology, entomology, agronomy, soil science, and cereal technology.

它涉及遗传学、植物育种、植物病理学、昆虫学、农学、土壤科学和谷物技术的研究。

Those who have bought donkeys are mainly from richer households but, with an increased supply through local breeding, donkeys should become more affordable.

那些购买毛驴的人大多来自富裕的家庭，但是随着当地养殖量的增加，毛驴的价格应该会更便宜。

Unless current greenhouse gas emissions drop, 70 percent of king penguins—1.1 million breeding pairs—will be forced to relocate their breeding grounds, or face extinction by 2100.

除非目前的温室气体排放量下降，否则70%的帝企鹅——即110万对繁殖伴侣——将被迫迁移它们的繁殖地，或者它们会在2100年前濒临灭绝。

Le Bohec said: "Unless current greenhouse gas emissions drop, 70 percent of king penguins—1.1 million breeding pairs—will be forced to relocate their breeding grounds, or face extinction by 2100."

勒波爱让说：“除非目前的温室气体排放下降，否则70%的帝企鹅，即110万对繁殖伴侣，将被迫迁移它们的繁殖地，或者它们会在2100年濒临灭绝。”

Horse breeding is indeed a risky enterprise.

养马的确是一项有风险的事业。

Dirty hands can be a breeding ground for germs.

脏手会滋生病菌。

This area of the city has become a breeding ground for violent crime.

这个市区已成为暴力犯罪的滋生地。