Lightning needs clouds to occur, and clouds are absent on Mars due to its rarefied atmosphere.

闪电需要云来产生，而火星上由于大气稀薄，云是不存在的。

On Mr Keyser's plausible view, using ordinary language is a less rarefied talent than making music.

在凯瑟先生看来，使用普通语言并不像制作音乐那么稀罕。

He then moved to France to make red Burgundy, the most rarefied and tricky wine of them all.

他移居到法国，学习最纯正最优良的勃艮第红酒制作。

But before things get too rarefied, Mr Ball's facility for conveying complex facts in simple language comes to the rescue.

但是在事情变得简化之前，Ball先生以简单语言表达复杂实事的作用可以来救救场。

And so these people that we are inhabiting exist in that rarefied world, and so the terrain is really similar actually.

所以我们扮演的这些人就生活在那个稀有的世界里，所以领域上其实非常相似。

The rarefied air scarcely gave play to the action of my lungs.

稀薄的空气几乎无法发挥我肺部的作用。

The 28-year-old already stands out in the rarefied world of blindfold chess.

这位 28 岁的棋手已经在稀少的蒙眼国际象棋世界中脱颖而出。

I mean, I think, you know, he's lived in this strange, rarefied world and this world of intellect.

我的意思是，我想，你知道，他生活在这个奇怪的、稀有的世界和这个智力的世界里。

Now, all of this is easy to salute in the abstract, especially from these rarefied heights, but it's hard to protect and practice.

现在，所有这些都很容易抽象化，尤其是站在罕见的高度，但却很难保持和实践。

And as we push the timer back even farther we find temperatures and densities that make a supernova look chilly and positively rarefied.

当我们再往后推一段时间时，我们发现那时的温度和密度让超新星看起来很冷、很稀薄。