Different ratios in the shells preserved in various layers of sediment reveal the temperature changes in the oceans during the Pleistocene epoch.(不同沉积层中保存的壳有不同的含量比例，显示出更新代海洋温度的变化。)
There is growing evidence that the presence of humans has altered the Earth so much that a new Epoch of geologic history has begun—the Anthropocene Epoch, a new human-influenced Epoch.(有越来越多的证据表明，人类的存在使地球发生了巨大的变化，地质史上的一个新时代已经开始了——即人世时代，一个受人类影响的新时代。)
Actually, the proposal focuses on a particular subset of megafauna, the kind that lived during 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。)
The Renaissance was an epoch of unparalleled cultural achievement.(文艺复兴是一个文化上取得空前成就的时代。)
By the early part of the twentieth century, scientists believed that four distinct glaciations had affected North America and Europe during the Pleistocene epoch.(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。)
We are about to enter into a new epoch in terms of power relations.(就权利关系而言我们将要进入一个新的时代。)
They were the ancient Australian megafauna—huge animals of the Pleistocene epoch.(它们是古代澳大利亚的巨型动物——更新世时期的巨型动物。)
The icebreaker symbolizes a whole epoch in the history of Russia.(破冰船是俄罗斯历史上整整一个时代的象征。)
In couch-surfing time, two months was an epoch.(在沙发冲浪的时间里，2个月是一个时代。)
The death of the emperor marked the end of an epoch in the country's history.(皇帝驾崩标志着该国历史上一个时代的结束。)
