万年

The gingko, jue loses the plant for Cainozoic Era Quaternary Period ice age, the national second-level protection rare tree seed, the academic circle says it "the living fossil", has 200,070,000 millennium ten thousand year history.

银杏，为新生代第四纪冰河时期的孓遗植物，国家二级保护稀有树种，学术界谓之&活化石&，具有二亿七千年万年的历史。

Of old was the age when Ymir lived;Sea nor cool waves nor sand there were;Earth had not been,nor heaven above,But a yawning gap,and grass nowhere.

2000多万年前欧洲、美洲大陆板块分离的时候，在北大西洋深处扯出一道裂缝，岩浆从裂缝中喷射而出，形成了冰岛——地球上最美的一道伤痕。

They concluded that the transition occurred between 49.7 and 50.7 million years ago and lasted less than half a million years Clyde, W.C.

他们推断这个转变发生在49.7和50.7百万年前并持续了不超过50万年（Clyde，W.C.et al，1995）。

Lake Vostok is a massive body of liquid water buried under the ice for 400,000 years.

沃斯托克湖是一个巨大的液态湖泊，它被封冻在冰层下长达四十多万年。

Variations in CO2, temperature and dust from the Vostok ice core over the past 450,000 yearsSee also: Climate change, Global warming, temperature record, and attribution of recent climate change

东方站冰芯过去450万年二氧化碳，气温以及尘埃的变化。也可参阅：气候变化，全球变暖，温度记录，以及近年气候变化的归因。

The 2 083 m ice core got at Vostok first reveals a continuous climatic series of the past 160 000 years over continental areas.

通过对面极Vostok2038m冰芯分析，取得了距今16万年以来陆地上最完整的气候曲线。

MEXICO CITY, Mexico -- A miner in Chiapas discovered a tiny tree frog that has been preserved in amber for 25 million years, a researcher said.

墨西哥，墨西哥城--一位研究人员说，在墨西哥Chiapas的一名矿工发现了一只极小的树蛙，这只青蛙在琥珀中被保存了两千五百万年。

The specimen appears to belong to the genus Craugastor, said Gerardo Carbot, of the Chiapas Natural History and Ecology Institute, who has been studying the find.

科学家们2007年2月宣布，墨西哥南部恰帕斯州的一名矿工发现的珍贵琥珀中完整保存的一只小树蛙的年龄有2500万年。

The mutation was traced back thousands of years to a common ancestor, and was identified by researchers at Uppsala University who published their results in the online edition of Nature Genetics.

这种突变可追溯到数万年前的一只共同祖先身上，乌普萨拉大学的研究员已能识别该匹马，研究结果刊於「自然遗传学」的网路版上。

Socotra Island , which is part of a group of four islands, has been geographically isolated from mainland Africa for the last 6 or 7 million years.

索科特拉岛是四岛群体的一部分，早在六七百万年以前，它就已在地理上从非洲大陆分裂出来。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。