恐龙在地球上出现之前绿海龟于就已在古生代出现；在最后一个冰河 时期绿海龟也幸存下来；但它们与我们在一起的日子可能不多了。
There were green turtles in our seas e ons before dinosaurs tramped the Earth; they survived the last ice age; but they may not be with us much longer.
现在的研究表明，在最后一次冰河时期的尾声阶段，阿拉斯加东南部沿岸的内大陆架的相当大的区域并未被冰覆盖。
Research now indicates that sizable areas of southeastern Alaska along the inner continental shelf were not covered by ice toward the end of the last Ice Age.
小冰河时期的气候事件不仅仅促进了现代世界的成形。
The climatic events of the Little Ice Age did more than help shape the modern world.
事实是，克雷蒙小提琴由生长在小冰河时期的树木制成，当时整个欧洲的气温明显低于正常水平。
Turns out the Cremonese violins were made from trees that grew during a Little Ice Age, a period when temperatures across Europe were significantly lower than normal.
"这本书将详细地介绍有关小冰河时期和其它气候变化的研究过程，但是，在我开始之前，让我先介绍一下历史背景。
This book will provide a detailed examination of the Little Ice Age and other climatic shifts, but, before I embark on that, let me provide a historical context.
各种人类物种，包括我们自己的智人，经受了冰河时代，变暖时期以及洪水和干旱。
Various human species, including our own Homo sapiens, have endured ice ages and warming periods as well as floods and droughts.
冰河时期海洋中多空虫贝壳化石中积聚的较重的氧同位素比较多，而另一种轻的氧同位素则更多地积聚在古代冰层和积雪中。
During glacial periods, the forams' shells contain more of the heavier of two oxygen isotopes, as the lighter one is preferentially accumulated in snow and ice rather than the ocean.
它的形成由于火山作用和冰河时期，胡德雪山是喀斯喀特山脉的一部分，火山带流经太平洋西北部。
Shaped both by volcanism and glaciers, Mt. Hood is part of the Cascade Range, a belt of volcanoes running through the Pacific Northwest.
在冰河时期里，之所以有很多的气候冷却现象，是由于覆盖在北半球上的巨大冰盖将大量的阳光反射到外太空。但是，那时大气中的二氧化碳浓度也要低得多。
Much of the cooling during the ice ages was maintained by the presence of a large northern hemisphere ice cap reflecting away a lot of sunlight, but carbon dioxide levels were lower, too.
在过去的250万年里欧洲的冰河时期气候循环加速了这个侵蚀的过程。
The climatic cycles of the glacial period in Europe over the past 2.5 million years have accelerated this erosion process.
大约一万年前，冰河期终于全线撤退，从地球上消失。 从此，地球进入几十年到几个世纪的冬夏轮换时期，春夏秋冬，四季轮转，孜孜不息。可见，气候本身就一直处在变化之中。
Reflecting this on a smaller scale, the 10,000 years or so since the glaciers last went into full-scale retreat have seen periods of relative cooling and warmth lasting from decades to centuries.
如果那是事实，这就意味着Karoo冰河时期与现在冰川的运作方式基本相同。
If true, this would mean that the Karoo ice age operated in much the same way as the current one.
该项目的最重要的阶段将在2012年至2010年南极的夏天，那时Ells worth湖首份冰河时期的数据报告将完成。
The climactic stage in the project will take place in the 2012-13 Antarctic summer, when the lake Ellsworth Consortium will use the data in this paper to access a sub-glacial lake for the first time.
研究人员将他们的研究基于冰河时期陆地与海洋的表面温度，通过检查冰核心，钻井，海底沉积物和其他因素。
The researchers based their study on ice age land and ocean surface temperature obtained by examining ices cores, bore holes, seafloor sediments and other factors.
在这几十年间，欧洲频繁遭受了罕见的严酷寒冬的袭击，而这段时期后来就被称为小冰河时代。
During those decades Europe suffered frequent unusually harsh winters, and the time was later termed the Little Ice Age.
为了防止被污染，孟加拉盆地的水井钻入了在上一个冰河时期被氧化的深层地层中，这一层的水是不含砷的，伯格说。
To avoid contamination, Wells in the Bengal Basin can be drilled into deep layers that were oxidized during the last ice age, in which the water is free of arsenic, Berg says.
由于太阳活动性下降，天文学家们相信在未来的几年内，地球可能将进入新的小冰河时期。
The Earth could enter a new 'Little Ice Age' in the coming years due to low solar activity, astronomers believe.
在冰河时期，巨大的冰块将大地深深地切割，把冰冷的花岗岩变成了一个个巨大的岩石。
During the great ice Age, millions of tons of ice cut and shaped the cooled granite to form giant rocks.
贝洛怀疑冰河时期的英国人会在某种仪式上高举这种镂空的头盖骨。
Bello suspects that Ice Age Britons hoisted hollowed-out crania in rituals of some kind.
吉尔表示，目前科学家还无法确定冰河时期动物灭绝的原因、以及为什么全球气候会发生骤变。
She said that scientists still aren’t sure why animals of the ice age died off, or why the world’s climate might suddenly warm and cool.
王晓明说：“至少长毛犀的例子就表明在冰河时期还没有开始的时候，长毛犀已经适应了青藏高原寒冷的环境。”
"At least in the case of the woolly rhino, it actually adapted itself in the cold environment in the Tibetan Plateau before the Ice Age has even started," Wang says.
吉尔表示，目前科学家还无法确定冰河时期动物灭绝的原因、以及为什么全球气候会发生骤变。
She said that scientists still aren't sure why animals of the ice age died off, or why the world's climate might suddenly warm and cool.
它是于冰河时期形成的石灰岩洞。
It was formed as a limestone cave during the glacial period.
作为斯堪的那维亚半岛三国最北的国家，挪威的西海岸由粗旷崎岖的峡湾围成。冰河时期后所遗留下来的一座又一座巍巍雄山耸立于峡湾侧旁。
The most northerly of the three Scandinavian countries, Norway's western coast is made up of a series of rugged fjords flanked by majestic mountains carved out by the Ice Age.
当冰河期接近尾声，气温也随之上升时，又出现了两段严寒时期。
As the glacial period drew to a close and temperatures began to rise, there were two final cold snaps.
小冰河时期是一段“很容易调查的历史”，它促使我们去揭示那种操纵历史进程的暗力量。
The Little Ice Age is an "investigative history," one that purports to reveal the hidden forces that drive the ebb and flow of historical events.
冰河时期生活在先进的英格兰西南部的原始人有一种可怕的行为——用切下的头颅干杯。
Ice Age folk who lived in what's now southwestern England gruesomely went from heads off to bottoms up.
他们被火爆点击：海底总动员，马达加斯加，冰河时期，玩具总动员。
They have all been smash hits: Finding Nemo, Madagascar, Ice Age, Toy Story.
他们被火爆点击：海底总动员，马达加斯加，冰河时期，玩具总动员。
They have all been smash hits: Finding Nemo, Madagascar, Ice Age, Toy Story.
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