Você procurou por: 95 billion years (Inglês - Chinês (simplificado))

billion years
千百万年

15 billion years
一百五十亿年

3.8 billion years of field-testing.
自然界的生物是38 亿年的实地测验。

in six billion years, the sun will look like that.
六十亿年后，太阳将变成这样。

12. the earth is over 4.5 billion years old.
12. 地球的历史超过45亿年。

so, after that we probably have seven billion years.
所以，在那之后，我们估计还会有70亿年时间。

and we can see this happening over the last four billion years.
我们看到这进化持续发生了四十多亿年。

basically, it took a billion years to have life on earth.
基本上，用了十亿年 地球上才开始出现生命。

the universe is expanding for the last 10 billion years or so.
一百多亿年来 宇宙不断膨胀着

there's been four billion years of organic, biological life.
在过去的四十亿年中 生命是有机的，生物上的概念

in fact, the earth and mars are both 4.6 billion years old.
事实上，地球和火星 都有46亿年了。

so, it took the universe 11 billion years to build the brain.
宇宙用了110亿年时间创造的大脑。

fourteen billion years pass and this song is still ringing all around us.
140亿年过去了， 而这声音依然萦绕在我们身边。

2. u-238 has a radioactive half-life of 4.5 billion years.
2. u-238的放射性半衰期为45亿年。

the first is that we have fossils of algae from 3.5 billion years ago.
首先我们有来自35亿年前 的海藻化石.

and that is how our solar system was formed, four and a half billion years ago.
这就是我们太阳系形成的过程， 在45亿年前，

we've been on a journey, a return journey, of 13.7 billion years.
我们已经在一个旅行，一个追溯 137亿年的旅行中。

18 african countries stood at $95 billion at the end of 1998.
1998年底，这18个非洲国家的长期外债共计950亿美元。

and we'll end up after 13 billion years with something looking rather like our own universe.
于是在历经130亿年之后 大致有形似我们的宇宙般的结构显露出来。

by how much less is it expanding today, compared to, say, a couple of billion years ago?
通过它今天少扩张了多少， 用于和几十亿年前比较。