1·All those lives maintained in the rarefied air of the absurd could not persevere without some profound and constant thought to infuse its strength into them.
没有某种深邃的思想一成不变地为之输入力量，所有这些在荒谬的稀薄空气中维持的生命都无法继续。
2·Lift is a problem in the rarefied air of the stratosphere, and it seems such a design can help.
在空气稀薄的平流层中，如何产生升力是一个问题。 这种飞艇通过氢气浮力和空气动力制造升力的设计看上去能够解决这个难题。
3·Both animals and people were gasping for breath in the rarefied air.
动物和人在稀薄的空气中都大口喘着气。
4·Somewhere at the boundary of Gaia, either in the rarefied airs of the stratosphere or deep in the Earth's molten core, the effects of life fade.
盖亚疆域的某处，或是稀薄的大气同温层或是地球深处炽热的核心，在那儿生命的影响力式微。
5·But after a few days they arrive at an altitude, about 125km up, which is so rarefied that an ion can move freely about.
但几天之后，它们会达到大约125km的高度，在这里空气稀薄到使离子可以自由的运动。