万年

The three types of dinosaurs, Troodon, Oviraptor and Citipati, lived roughly 75 million years ago and were theropods.

这三种恐龙（伤齿龙，偷蛋龙，葬火龙）生活在距今约七千五百万年，属于兽脚亚目食肉恐龙。

Beelzebufo - or "frog from hell"- terrorised prehistoric Earth during the dying days of the dinosaurs more than 70 million years ago.

据考证，&魔鬼蛙&是距今七千多万年前恐龙时代末期的恐怖统治者。

The Red Rock area was, for most of the last 600 million years or so, originally part of a deep ocean basin.

红河峡谷已经有60000万年的历史，从前，红河峡谷是一个很深的海湾。

Cut a wood of one-inch length into half every day, and you will never complete cutting in ten thousand years.

将一尺长的木头每天切一半，一万年你也切不完。

Highway 395 in Inyo County with the Eastern Sierras in Background, California, USA

从今天发现的遗物来考察，大概在两万年或一万五千年前，就已经有人画画了。

If our love have to be setted a time limit,i wish it would be ten thousands years!

如果非要在这段爱情前加个期限的话，我希望是一万年。

If our love have to be setted atime limit,i wish it would be ten thousands years!

如果非要在这段爱情前加个期限的话，我希望是一万年！

But rotifers, the only confirmed "ancient asexuals" in the animal kingdom, have survived by abstaining from sex for the last 30 to 50 million years.

唯一在动物世界里被证实是&古老的无性生殖&的轮虫，在过去的3000至5000万年前通过无性繁殖幸存下来。

Near the large ropeways, visitors take the cable car to the snow to watch years old snow, and sk Bingtalin wonders.

近的大型索道，游客可乘缆车到雪原去观赏万年古雪、冰塔林奇观和滑雪。

We analyzed the detailed structure of this gene family among primates and showed that most of the IRG gene cluster was deleted early in primate evolution, after the divergence of the anthropoids from prosimians ( about 50 million years ago).

研究人员发现，分散在人类基因组中的重复DNA的一小段碎片，已经在约4000万年前插入了旧世界和新世界猴的共同祖先基因中。这一插入灭活了IRGM，废止了该基因形成功能性蛋白质的能力。

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。