他们想迁移到气候较温暖的地区。
它们生活的一些地区经常面临发展当地经济的巨大压力，迫使它们迁移到其他地区。
Some areas where they live often face huge pressure to develop the local economy, making them move to other areas.
到了秋天，他们就会迁移到浅水处觅食。
When it is autumn, they move to shallow water and get their food.
它们中的大多数将不得不迁移到南大洋的孤岛上。
Many of them will have to migrate to isolated islands in the Southern Ocean.
这些工人为寻找工作从一个国家迁移到另一个国家。
These workers migrate from country to country in search of work.
这些新的特性为种子迁移到新的栖息地提供了更好的途径。
These new characteristics offered better ways for the seed to move to new habitats.
在后面的版本中，我们将允许运行实例从一个版本自动迁移到另一个版本。
In later versions, we will allow running instances to automatically migrate from one version to another.
1800年4月24日，国会通过法案，规定将美国政府迁移到新的联邦城市华盛顿特区。
Approved April 24, 1800, the act of Congress that made provision for the removal of the government of the United States to the new federal city, Washington, D.C..
一份新的报告表明，城市化，即从郊区迁移到市中心，将成为2015年最大的房地产趋势。
Urbanization—migration away from the suburbs to the city center—will be the biggest real estate trend in 2015, according to a new report.
现在这些地区，也就是农民们迁移到的新地区，曾经是温暖的，不太可能结冰，然而，最近这个地区变得很容易结冰。
Now these areas, the new areas the farmers moved to, used to be warm and unlikely to freeze, however, recently the area has become susceptible to freezes.
公司也许会被迫从纽约迁移到斯坦福。
The firm may be forced to relocate from New York to Stanford.
法国人于15世纪开始迁移到这个岛。
The French began to populate the island in the 15th century.
这似乎是一种适应，它允许人类迁移到新的不同的地区，为改变生活习惯提供了机会。
It seems to be an adaptation, which allowed humans to move into new and different areas, opening up the opportunity to change living habits.
很有可能其中一些人后来向东迁移到了哈萨克斯坦。
It's quite possible that some of those people later migrated east to Kazakhstan.
它让制造业厂房和其他产业从城市地区迁移到农村。
It has allowed the relocation of manufacturing plants and other industries from urban areas to rural.
将受威胁的物种迁移到较冷的地方，例如高纬度或高海拔地区。
Translocating threatened species to a cooler place, to higher latitudes or higher elevations, for example.
如今撒哈拉大沙漠的干涸迫使许多人迁移到撒哈拉以南的非洲。
The drying up of what is now the Sahara desert had pushed many peoples to the south into sub-Sahara Africa.
它已经从底特律迁移到了硅谷，在那里，自动驾驶汽车正在焕发生机。
It has migrated from Detroit to Silicon Valley, where self-driving vehicles are coming into life.
它会先迁移到未开发的地区，吃掉大量的低质量的茎秆，然后再继续迁移。
It migrates first to unexploited areas and chomps the abundant low-quality stems before moving on.
从水中迁移到陆地上，涉及到生活的方方面面的重大改变，包括呼吸和繁殖方式。
Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction.
为了应对逐渐变化的气候，一些物种改变了活动范围，已经迁移到数百公里以外的地方。
In response to these gradual climatic swings, some species have shifted their ranges hundreds of kilometers.
当资源枯竭时，狩猎采集者总是可以选择迁移到其他地方，但这对于农业来说则更加困难。
While hunter-gatherers always had the option of moving elsewhere when the resources were exhausted, this became more difficult with farming.
猎人们不再跟随牛群进行一年一度的迁徙，而是开始阻止牛群从一个地方迁移到另一个地方。
Instead of following the cattle on their annual migrations, the hunters began to prevent the herd from moving from one spot to another.
当人们意识到这不仅仅是一场暂时的干旱时，他们中的许多人迁移到了尼罗河谷，这是唯一合乎逻辑的假设。
It's only logical to hypothesize that a lot of these people migrated to the Nile valley when they realized that this was more than a temporary drought.
研究人类迁移的学生们谈到“推”和“拉”因素，这些因素会影响个体是否会从一个地方迁移到另一个地方。
Students of human migration speak of "push" and "pull" factors, which influence an individual's decision to move from one place to another.
摄入了吗啡的老鼠很可能会发生血液中毒，因为通常存在于肠道的细菌会通过迁移到血液中来对吗啡做出反应。
Mice that have been given morphine are very likely to develop blood poisoning because bacteria that normally reside in the intestine typically respond to morphine by migrating into the bloodstream.
因此，这些社会特征有利于造就流浪在外并且大胆的移民，这些移民会一直向西迁移到比定居点更遥远的地方。
Therefore, these social traits helped to produce the nomadic and daring settlers who kept pushing westward beyond the fringes of settlement.
从历史上看，来自亚欧大陆的适应寒冷的羚羊物种迁移到气候通常更温暖的非洲，而适应温暖的非洲物种迁移到亚欧大陆。
Historically, more cold-adapted antelope species originating in Eurasia have migrated into Africa, where the climate is generally warmer, than have warm-adapted African species into Eurasia.
该报告发现，尽管一些帝企鹅可能能够迁移到离它们日益减少的食物来源更近的新繁殖地，但合适的新栖息地将会变得稀缺。
The report found that although some king penguins may be able to relocate to new breeding grounds closer to their retreating food source, suitable new habitats would be scarce.
胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。
Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
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