万年

This petrification may be over two million years.

这化石可能超过二百万年了。

The petrified wood fossils have been preserved for millions of years by the process of petrification, a process which turns the wood into quartz crystal, harder than steel.

石化木材的化石自石化过程起，已经历了数百万年，石化过程会将木材转变成为比钢铁还要坚硬的石英晶体。

8The Shield, more than any other North American physiographic region, has had its landforms remolded and shaped by massive continental glaciers during the last million years.

盾，比其他任何北美physiographic地区曾其地貌改造，形成了大规模的冰川大陆在过去100万年。

The X Woman's pinkie was found in a layer of soil and debris dating from 30,000 to 48,000 years ago.

在X女人的小指被发现在土壤和碎片从30，000至4.80万年前的约会层。

It was not until the recognition of Peking Man that the Java Pithecanthropus was accepted by the scientific community because of the similarity of the two skulls.

爪哇和北京猿人头骨很相似，故在确定北京猿人属于人类之后，爪哇猿人也得到承认，从而对人类历史的认识由大约十万年延长到五十万年。

On the summit there is a piece of plain about 100 acres in area, it is a planation surface which is formed 5 million years ago.

佛洞塔因山形似塔，峰上有洞，洞中有佛而得名，海拔1027米，峰顶有一百亩小平地，称为夷平面，它是距今500万年期间形成的。

About 70% of North American large mammal species were lost at the end of the Pleistocene epoch.

在更新世快要结束的时候（距今2万-1万年），很多种大型哺乳动物从北美消失。

The newly studied fossils were dated to the late Pliocene, between 2.15 and 2.55 million years ago.

最新研究的化石的年代被确定为上新世纪末期，在215万年前到255万年前之间。

One of the mysteries of the Earth's history is the fundamental climate change in the Mid Pliocene, about 3.5-2.5 million years ago.

地球历史上有很多尚未揭示的奥秘，例如距今约350～250万年前的全新世中期地球气候变化的根本原因一直都是个谜。

Of course, back in the Pliocene , there were alligators in Tennessee and our distant ancestors the Australopithicenes graced eastern Africa.

当然，400万年前的上新世在美国田纳西州生活着的是鳄鱼，在东非活跃着的是我们的远祖南方古猿的身影。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。