6千5百万

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1.
The scientists found that the maximum size of mammals began to increase sharply about 65 million years ago.
科学家们发现哺乳动物的最大体型在6千5百万年前开始急剧增长。
article.yeeyan.org
2.
The female, which lived about 165 million years ago, belongs to a collection of spiders well known today - the golden orb weavers.
寡妇蜘蛛生存于1亿6千5百万年前，被称为黄金编织者，属于先进蜘蛛收藏者的最爱。
treasure.1x1y.com.cn
3.
And the problem is only going to grow, with global production of meat reaching 465 million tons by 2050, double the amount produced in 2000.
而且问题还在继续，到2050年全球肉产量将达到4亿6千5百万吨，比2000年翻了一番。
article.yeeyan.org
4.
This almost perfectly preserved spider fossil from China dates back 165 million years ago, to the middle Jurassic era.
这件在中国发现的保存非常完整的蜘蛛化石可以追溯到1万6千5百万年前的侏罗纪中期。
article.yeeyan.org
5.
They date from the early Cretaceous period, which began around 145 million years ago and ended 65 million years ago.
据悉，他们最早生活在白垩纪早期，亦即1亿4千5百万年前到6千5百万年前。
edu.sina.com.cn
6.
After the dinosaurs were wiped out by a massive meteor strike 65 million years ago, tiny mammals ruled the Earth.
在6千5百万年前恐龙因陨石撞击消失殆尽之际，体型小巧的哺乳动物统治了地球。
article.yeeyan.org
7.
The Cretaceous period ended 65m years ago with the death of the dinosaurs.
大约在6千5百万年前白垩纪（theCretaceousperiod）结束，伴随着恐龙的绝迹。
article.yeeyan.org
8.
It's largely accepted that a comet wiped out most dinosaurs in one fell swoop about 65 million years ago.
关于恐龙灭绝，大多数人都接受这一说法：在6千5百万年前，一场凶猛的彗星雨撞落到地球上，恐龙因此而灭绝。
blog.sina.com.cn