纪录片《火星任务》 第34期 检测石头

And then look at the emissions¹ that come off from that rock,

然后检测石头发出的光

and that's really important

这是非常重要的

because it can tell the differences

因为这可以区分

between different types of rocks.

不同种类的岩石

So if we come across a rock that looks substantially different

当我们发现一块岩石

from rocks we've looked at before,

和以往发现的岩石明显不同

then we might want to approach those samples,

我们就会靠近这些样本

put out the arm,

伸出机械臂

and start interrogating³ that rock or that outcrop

用机械臂上的仪器

with instruments that are on the arm.

对岩石或表面岩层进行分析

An element analyser and a very nice microscope,

我们先用元素分析仪和强大的显微镜

and if we examine the outcrop or the rock with those tools

检测岩石或表面岩层

and decide it's worth even further exploration,

如果认为它值得进一步研究

then what we do is we sample the rock.

我们就会对岩石取样

We drill into the rock,

在岩石上钻孔

we create some powder with the sampling system

通过取样系统制成粉末

and then we deliver that powder into SAM.

之后送回到火星样本分析仪里

The chemical analysis of this powdered rock

对岩石粉末进行化学分析

is one of the most important tests in the mission².

是这次任务中最重要的检测项目之一

That's why the team are still running tests

所以该小组仍在地球上测试

on SAM's twin back here on earth.

火星样本分析仪的复制品

1 emissions   

排放物( emission的名词复数 )； 散发物（尤指气体）

参考例句：

• Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。
• Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。

2 mission   

n.使命，任务，天职；代表团，使团

参考例句：

• He was charged with an important mission.他受委托承担一项重要使命。
• I'll leave you to undertake an important mission.我要让你承担一项重要使命。

3 interrogating   

n.询问技术v.询问( interrogate的现在分词 )；审问；（在计算机或其他机器上）查询

参考例句：

• She was no longer interrogating but lecturing. 她已经不是在审问而是在教训人了。 来自辞典例句
• His face remained blank, interrogating, slightly helpless. 他的面部仍然没有表情，只带有询问的意思，还有点无可奈何。 来自辞典例句