现今的气候不像更新世时那么冷。
The climate today is not as cold as it was in the Pleistocene.
更新世是一段冰河时代。
但正如我之前提到的，更新世的野化饱受争议。
But as I alluded to earlier, Pleistocene rewilding is extremely controversial.
在更新世时期，孤立在岛上的几种大象迅速变矮。
During the Pleistocene epoch, several species of elephants isolated on islands underwent rapid dwarfing.
现在，更新世野生动物保护的倡导者提出了两个主要目标。
Now, the advocates of Pleistocene rewilding cite two main goals.
它们是古代澳大利亚的巨型动物——更新世时期的巨型动物。
They were the ancient Australian megafauna—huge animals of the Pleistocene epoch.
实际上，这个提案关注的是生活在更新世时期的巨型动物的一个特定子集。
Actually, the proposal focuses on a particular subset of megafauna, the kind that lived during the Pleistocene epoch.
很快我们了解到，在更新世存在多个冰川期，其间还包括多个温暖的间冰期。
It soon became clear that there were multiple glacial ages during the Pleistocene, with warmer interglacial intervals between them.
相比于大陆冰川沉积物，海洋沉积物提供了更完整的更新世时期的地质记录。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
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.
更新世野生动物重返可以促使美国一些种子颗粒大的植物重现，比如麦克鲁拉树。
Like Pleistocene rewilding could spark the re-emergence of large seeded American plants, such as the maclura tree.
更新世再野生化是基于良好的意图，但你知道，这在更大程度上只是同一件事的重演。
Pleistocene rewilding is based on good intentions, but you know, it probably would just be more of the same thing.
尽管证据很少，但这种现象并不一定局限于更新世，而可能在东南亚诸岛发生得更早。
This phenomenon was not necessarily confined to the Pleistocene, but may have occurred much earlier in the Southeastern Asian islands, although evidence is fragmentary.
到二十世纪初，科学家们认为，在更新世期间，有四次不同的冰川作用对北美和欧洲产生了影响。
By the early part of the twentieth century, scientists believed that four distinct glaciations had affected North America and Europe during the Pleistocene epoch.
最后一次冰川作用的漂浮物沉积在最近的其中一个地质时期——更新世，这段时期从180万年前持续到1万年前。
The drift of the last glaciation was deposited during one of the most recent epochs of geologic time, the Pleistocene, which lasted from 1.8 million to 10,000 years ago.
石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。
Quartz is quartz—a silicon ion surrounded by four oxygen ions—there's no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.
Krech断言广泛的气候变化确实发生在更新世末期，这与Martin排除气候变化作为解释的观点相矛盾。
Krech also contradicts Martin's exclusion of climatic change as an explanation by asserting that widespread climatic change did indeed occur at the end of the Pleistocene.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
在更新世以来的这些年里，当地的物种已经适应了那里不断变化的环境，植物，小动物，它们已经在没有巨型动物的情况下进化了几千年。
In the years since the Pleistocene epoch, native species have adapted to the changing environmental there, plants, smaller animals, they have been evolving without megafauna for millennia.
更新世浅层地质为层状砂质砾石，偶有细沙层。
The Pleistocene superficial geology comprises well-bedded sandy gravels with occasional thin beds of sand.
完整的斑状斑状橄榄石玄武岩和火山碎屑岩是最近火山活动的更新世的组成部分。
The holocrystalline porphyritic olivine basalts and pyroclastic rocks are the components of Pleistocene to recent volcanic activities.
动物化石可鉴定的有10个种属，均属于中国东北更新世晚期猛犸象—披毛犀动物群成员。
There are at least 10 species Paleontology fossils, members of Mammuthus-Coelodonta groups in late Pleistocene in northeast of China.
东海岸是在更新世的冰川作用下形成的。
山羊围场陨石坑的地面覆盖着自更新世以来的沉积物。
The floor of Goat Paddock Crater is covered by sediments deposited since the Pleistocene Epoch.
在中更新世早期，阳春地区的岩溶洞穴开始发育。
Inthe early middle pleistocene, the karst caves in Yangchun area began to develop.
早更新世晚期，中更新世初期，第三排褶皱开始形成。
The third fold developed between late early Pleistocene and early Middle Pleistocene.
生活在更新世南美洲的大型贫齿类哺乳动物，现已灭绝。
Large bear sized extinct edentate mammal of the Pleistocene in South America.
生活在更新世南美洲的大型贫齿类哺乳动物，现已灭绝。
Large bear sized extinct edentate mammal of the in South America.
大约更新世期间的两百万年前，内华达山脉的隆起再次加速。
Uplift of the Sierra accelerated again about two million years ago during the Pleistocene.
大约更新世期间的两百万年前，内华达山脉的隆起再次加速。
Uplift of the Sierra accelerated again about two million years ago during the Pleistocene.
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