他们的生活方式类似于半游牧，而且甚至还跟猎物迁徙和特定果实的成熟季节有关。
Their lifestyle is semi-nomadic, and the movements are somewhat seasonal, having to do with the migration of some prey animals, and the gathering of certain plants and fruits.
这些鸟类化石对研究遗址的生态环境、气候变化以及鸟类地理分布、迁徙和演化等都有重要意义。
These bird fossils have great significance for both the study of the climatic and eco-environmental change at the Ashan site and the avian geographic distribution, mi gra tion and evolution.
结果壳牌公司只得忍痛做出诸多让步，即使能继续海上钻探，在露脊鲸迁徙和当地人猎捕的时节，也要停止一切海上作业。
This allowed them to wrest a number of concessions from Shell, including a commitment to stop all offshore operations during the bowhead migration and hunt, should drilling ever proceed.
它导致大量企鹅和鲸鱼迁徙。
为什么会发生野生动物濒临灭绝和迁徙的现象？
Why did the near extinction and migrations of wild animals occur?
我们需要智慧和决心，以确保迁徙的物种能够在更长时间里继续它们的旅程。
We will require wisdom and resoluteness to ensure that migrating species can continue their journeying a while longer.
生物学家休·丁格尔已经识别出五个特征，这些特征在不同程度和组合上适用于所有的迁徙。
The biologist Hugh Dingle has identified five characteristics that apply, in varying degrees and combinations, to all migrations.
我们会认为它迁徙的整个区域就是它的栖息地，因为在长途旅行中，它需要经常下来进食和睡觉，对吧？
We would say that this whole area over which it migrates is its habitat because on this long-distance journey, it needs to come down to feed and sleep every so often, right?
鲑鱼在河流和海洋之间迁徙时也会携带危险的化学物质。
Salmon also carry dangerous chemicals as the fish migrate between rivers and the sea.
人类和野生动物都在不停地迁徙，以寻找食物和可靠的水源。
Both humans and animals were constantly on the move, in search of food and reliable water supplies.
在撒哈拉沙漠，和其它大多数食草动物不同，长颈鹿在干旱季节不迁徙(离开它的家)，因为它可以从吃的叶子中获得充足的水分。
Unlike most of the other grass-eaters in the Sahara, the giraffe doesn't migrate (leave its homeland) during dry seasons because it gets enough water from the leaves it eats.
夏季期间，当萨米族牧人从冬季牧草地穿越斯堪的纳维亚北部和俄罗斯地区，跟随着驯鹿迁徙的路线到达更凉快的地区。
Sami herders follow the migrations of the reindeer as they move across northern Scandinavia and Russia from their winter grazing grounds to cooler areas during the summer months.
这项新技术或许也能助益人类学家，通过分析遗址中毛发中留存着的信息，进一步了解古人类的历史和迁徙。
The new method may also help anthropologists understand more about the history and migration of ancient humans at sites where bits of hair are preserved.
研究小组成员约尔根·舒米茨说：“我认为这是证明迁徙去澳洲的有袋目动物和其他大陆的有袋目动物有共同祖先这一理论的一个有力的证据。”
"I think this is pretty strong evidence now for the hypothesis of a single migration [to Australia] and a common ancestor, " said Juergen Schmitz, one of the research team.
模拟波多黎各和佛得角之间的磁场，这两地是海龟迁徙路线途经的两点，拥有同样的纬度但经度不同。
And they replicated the magnetic fields of Puerto Rico and the Cape Verde Islands, two points along the turtles' migration, with equal latitudes but different longitudes.
生物学家休·丁格尔识别出符合不同程度和组合的所有迁徙的五种特征，力争了解其本质。
A biologist named Hugh Dingle, striving to understand the essence, has identified five characteristics that apply, in varying degrees and combinations, to all migrations.
大提顿公园的叉角羚更值得注意，是因为它们的迁徙路线一成不变，并受到三个关键地点(“捕捉器地点”、“红山”和“漏斗”)的严重威胁。
The Grand Teton pronghorn are notable for the invariance of their migration path and the severity of its constriction at three critical spots, known as Trappers Point, the Red Hills, and the Funnel.
几百万年前，猛犸象从非洲大陆向北迁徙到欧亚大陆上，第四纪冰川期突然袭来，它们除非保持体温，否则只有死路一条，为此他们退化了尾巴和用来散热的大耳朵，而且进化出厚厚的皮毛。
A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked in—and it was stay warm or die.
德国摄影师FlorianSchulz告知，当他和一名海底领航员正在寻找迁徙的鲸鱼时，碰巧拍下鳐鱼聚集的景象。
German photographer Florian Schulz said the scope of the ray congregations was unknown until he and a pilot happened upon the gathering while searching for migrating whales.
Ainley和Ballard在本周的《极地生物学》中指出，害怕被捕食已经影响到企鹅的日常活动，甚至它们的迁徙规律。
Fear of predators doesn't just affect the penguins' daily activities, however. It also influences the birds' migration patterns, Ainley and Ballard report this week in Polar Biology.
他分析了蛤壳以了解有关维京人的过去，维京人在哥伦布之前数百年就从欧洲大陆迁徙到冰岛，格陵兰和北美东北部绵延的大陆。
He has analyzed clamshells to gain perspective on the Vikings, who migrated from Europe's mainland to Iceland, Greenland, and northeastern stretches of north America hundreds of years before Columbus.
和其它迁徙鸟类一样，沙锥鸟需要飞行很长的距离，但是它们如何在如此长距离的飞行中不睡觉或者只睡很少的觉，原因尚不明确。
As with other migratory birds that fly long distances, it's unclear how great snipes can apparently fly for such long periods with little or no sleep.
贝丁顿博士警告说，如果未来数年内没有充分准备的话，食品、水源、和能源短缺交织而成的“完美风暴”将在世界很多地区增加动乱、冲突、以及大规模人口迁徙的可能。
If little is done in the coming years, Beddington says the "perfect storm" of threats will increase the likelihood of unrest, conflict and mass migration in various parts of the world.
波兰几乎没有劳动力跨国迁徙的传统，华沙这方面更是不足，蓬勃发展的西部能和失业率高的东部和平共处。
Poland has little tradition of internal Labour mobility, so shortages in Warsaw and the country's booming western crescent can coexist with deep joblessness in the east.
霍比特人提示我们，我们很多关于人类最初迁徙出非洲的时间和本质的认识是错误的，还有后其他的知识。“王说。”
"Among other things, the hobbit find hints that much of what researchers thought they knew about the timing and nature of humanity's initial dispersal out of Africa is wrong," notes Wong.
中国公民可以自由迁徙、自由择业，自由到国外留学，可以通过各种合法渠道表达意见和诉求。
Chinese citizens can move freely, choose jobs freely, go overseas studying freely and express their views, complaints and requests freely via various legal channels.
中国公民可以自由迁徙、自由择业，自由到国外留学，可以通过各种合法渠道表达意见和诉求。
Chinese citizens can move freely, choose jobs freely, go overseas studying freely and express their views, complaints and requests freely via various legal channels.
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