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They have revealed just how hard it would be
数据显示出 这颗行星环境十分恶劣
for life to survive
生命想在这里存活
in the planet's extreme environment.
非常困难
The surface of Mars today is a very harsh place to life.
在现在的火星表面 生命很难存活
There's a lot of things that are hazards to life.
有许多物质都对生命有害
Now we're interested in knowing
现在我们感兴趣的是
whether those same hazards were there in the past
过去的火星是否也存在这样的有害物质
and maybe early Mars as opposed to present Mars
早期的火星或许不同于现在的火星
was the place to look for life.
能够允许生命存在
Today, Mars is an inhospitable desert.
今天 火星是一片毫无生命迹象的沙漠
Its thin atmosphere leaves its surface exposed
稀薄的大气使得地表完全暴露在
to lethal solar and cosmic radiation.
致命的太阳辐射和宇宙辐射下
Average temperatures of minus 55 degrees Celsius
地表平均温度为零下55摄氏度
would make it very hard for life as we know it to survive.
我们已知的生命在这种环境下极难生存
That's why Curiosity is not expecting
因此好奇号并不打算
to find life here and now.
能在现在的火星找到生命
Instead, it will try to discover
相反 它将试图发现
if life could have survived there
百万年前的火星
millions of years ago.
是否有生命存活
重点解释：
1.interested in 对 ... 感兴趣
例句：He is interested in music, and I in photography.他对音乐有兴趣，而我对摄影感兴趣。
2.in the past 在过去
例句：I've seen little of her in the past few weeks.近几周我很少见到她。
3.look for 寻找；寻求
例句：As the tide receded we were able to look for shells.潮水退去，我们就能寻找贝壳了。
