到本世纪中叶，冰河时代的破坏力将难以想象。
An ice age by mid-century would be unimaginably devastating.
有些年轮可以追溯到近一万年前的冰河时代末期。
Some of the rings go back almost ten thousand years to the end of the Ice Age.
小冰河时代已让位于以持续稳定变暖为特征的新气候体制。
The Little Ice Age has given way to a new climatic regime, marked by prolonged and steady warming.
结果，根据这个理论，依赖植物多样性的冰河时代动物无法生存。
As a result, so the theory goes, the Ice Age animals that depended on plant diversity couldn't survive.
冰河时代末期的全球变暖对亚洲、欧洲和北美的温带地区产生了巨大的影响。
The universal global warming at the end of the Ice Age had dramatic effects on temperate regions of Asia, Europe, and North America.
农业革命实际上是有益的；我们通过阻止冰河世纪的到来，使气候变得更好。
The agricultural revolution which actually was beneficial; we altered the climate for the better by preventing an Ice Age.
更新世，也就是众所周知的冰河时代，从180万年前持续至11500年前。
The Pleistocene epoch, most commonly known as the Ice Age, stretched from 1.8 million to 11,500 years ago.
还有人认为，注入大气的火山灰保护地球免受太阳辐射，并开启了一段冰河时代。
Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age.
在一些描绘着冰河期的人物拿着东西的例子中，虽然不是所有，但大多是用右手。
In the few cases where an Ice Age figure is depicted holding something, it is mostly, though not always, in the right hand.
例如，随着覆盖北美的大冰原在最后一个冰河时代逐渐融化，大量的水从冰原流出。
For example, as the great ice sheets that covered North America during the last ice age steadily melted away, huge volumes of water flowed from them.
米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。
Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.
例如，在过去的冰河时代，冰川向下穿过北美和欧洲，逐渐切断了部分人口之间的联系。
For example, during past ice ages, glaciers advanced down through North America and Europe and gradually cut off parts of populations from one another.
GRIP的数据似乎表明，Eemian的气候变化至少和冰河时代的气候一样剧烈。
Data from GRIP seem to indicate that the Eemian climate swung at least as wildly as the climate of ice age periods.
冰河时代猛犸象的柔软部位，包括皮肤、毛发和内脏，被保存在冻土或石油渗出的焦油中。
Soft parts, including skin, hair, and viscera of ice age mammoths, have been preserved in frozen soil or in the oozing tar of oil seeps.
来自岩心上部的发现证实了科学家们已经知道的情况：最后一个冰河时代的气候变化非常快。
Findings from the upper sections of the cores have confirmed what scientists already knew—climate during the last ice age fluctuated rapidly.
然而，他们欣然承认，对于冰河时代艺术家创作他们这些有趣而精细的画作的原因，人们知之甚少。
They readily admit, however, that little is understood yet as to the reasons why ice age artists created their interesting and detailed paintings.
同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。
The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.
由于这些优点，可以通过辐射测量方法以足够确定沉积证据的年代，从而建立一个精确的冰河时代年表。
Because of these advantages, sedimentary evidence can be dated with sufficient accuracy by radiometric methods to establish a precise chronology of the ice ages.
美国西南部半干旱地区的湖泊水位在上一个冰河时代似乎比现在更高，这一事实曾一度归因于降水增加。
The fact that lake levels in the semiarid southwestern United States appear to have been higher during the last ice age than they are now was at one time attributed to increased precipitation.
在法国拉斯科洞穴中发现了冰河时代晚期的绳索，这条绳索由向右旋转的纤维捆成，因此它是由右撇子编成的。
The late Ice Age rope found in the French cave of Lascaux consists of fibers spiraling to the right, and was therefore tressed by a righthander.
有一段时间，这一理论被认为是不可检验的，主要是因为没有足够精确的冰河时代的年表与轨道的变化相匹配。
For sometime this theory was considered untestable, largely because there was no sufficiently precise chronology of the ice ages with which the orbital variations could be matched.
当冰河时代开始时，大陆上的冰原逐渐增大，从海洋中蒸发出来的水逐渐减少，而这些水最终又会回到陆地上。
When an ice age begins, the continental ice sheets grow, steadily reducing the amount of water evaporated from the ocean that will eventually return to it.
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.
正如安东尼·哈勒姆所指出的，许多科学现象，比如冰河时代，在它们还没有被完全解释清楚之前就已经被接受了。
As Anthony Hallam has pointed out, many scientific phenomena, such as the ice ages, have been accepted before they could be fully explained.
有一些变暖是自然发生的。随着上一个冰河时代的结束和冰的融化，我们已经经历了长达20，000年的变暖过程。
Part of the warming is natural; we have experienced a 20,000-year-long warming as the last ice age ended and the ice melted away.
从阿拉斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明，在最后一个冰河时代，该地区至少有一部分保持无冰状态。
Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during 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.
所以冰河世纪的动物能够吃到不同的植物，不同的食物。
So Ice Age animals had access to many different types of plants, different types of food.
有人认为，太阳能量输出的变化可能是导致冰河时代的原因。
Some suggest that variations in the Sun's energy output could account for the ice ages.
他们是在温室里尝试模小冰河期气候并在里面种了一些树吗？
Try to simulate an Ice Age climate in their greenhouse and grow some trees in there?
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