在高海拔地区建机场，由于空气稀薄的原因，需要一个较长的跑道。
Airports at higher altitudes require a longer airstrip due to lower air density.
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。
Lift is a problem in the rarefied air of the stratosphere, and it seems such a design can help.
空气稀薄而清新，弥漫着朦胧的阳光与霜霭。
The air was thin and crisp, filled with hazy sunshine and frost.
墨西哥城2,250米的高空处(7,380英尺)空气稀薄，这使航班的类型和载客重量都受到了限制。
The thin air of Mexico City, which lies at 2, 250m (7, 380 feet), reduces a plane’s range and the weight it can carry.
开始的时候，太空船内的空气稀薄，你脸上会出现一些红线——那是破裂的血管——然后，你会赚到很多钱，只需再进行一次太空旅程。
Inboard air's thin to start with. You get a few redlines-that's these ruptured blood vessels -and you say the hell with the money; all you'll make is just one more trip.
不过，在那之前，我宁愿攀升，不等最后一片冰融化，就爬上空气稀薄、寒冷的外太空。在那里，我也能成为目击随后发生事情的见证人。
But until then I would rather climb away, not wait for the last piece of ice to melt, but climb into the airless cold of outer space where I too can be a witness to what happens next.
那地方跟这里也差不了多少，只是没有时间感，因为空气稀薄那里的东西都“拉得长长的”，还真令人失望。
Disappointingly, the whole place was much like here, but with no sense of time and with everything "strung out further" in the thinner atmosphere.
正如雷恩·宾厄姆在最后所领悟到的，如果你独自一个人在云端飞行，你可能会在空气稀薄、夜色笼罩的云间迷失自己的航向。
As Ryan Bingham discovers, if you fly alone, you may eventually drift off beyond the clouds, where oxygen is scarce and the sky turns dark.
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。
But after a few days they arrive at an altitude, about 125km up, which is so rarefied that an ion can move freely about.
但是，鸟们不能飞太高，因为高空的空气稀薄，他们在稀薄的空气里无法生存。
But birds never fly too high, because the air in the high sky is too thin, they can not live in thin air.
我们都乐于于冒险，热爱阅读和观看有关他人或真实或虚构的旅程电影，例如，《霍比特人》、《夺宝奇兵》或《走进空气稀薄地带》。
We're all enthralled by adventure. Welove to read and watch movies about other people's journeys, real or imagined. The Hobbit. Raiders of the Lost Ark. Into Thin Air.
我们都乐于于冒险，热爱阅读和观看有关他人或真实或虚构的旅程电影，例如，《霍比特人》、《夺宝奇兵》或《走进空气稀薄地带》。
We're all enthralled by adventure. We love to read and watch movies about other people's journeys, real or imagined. The Hobbit. Raiders of the Lost Ark. Into Thin Air.
高塔是闪电最常光顾的目标，因为塔和云之间作为绝缘体的空气稀薄。
Tall towers are frequent targets of lightning strikes, because there is less air to act as an insulator between the tower and a cloud.
由于气温极低、空气稀薄，加上不、稳定的气流在喜马拉雅山谷上下飘动，已经有无数气球飞行者被夺去了生命。
Freezing temperatures, thin air and erratic currents dancing up and down the Himalayan valleys have claimed the lives of numerous balloonists.
干燥、冬冷夏凉、太阳辐射强烈、空气稀薄是这个地区的主要气候特征。
The climate in this region is dry, cold in winter and cool in summer, strong solar radiation, and thin air.
会议将在一个用混凝土衬砌的地下掩体里举行，那里阴暗湿冷而且空气稀薄。
The conference was to be held in the underground bunker, a cold, damp, airless shelter lined with concrete.
当我告诉她那里空气稀薄，呼吸困难，而且天气寒冷时，她却说这将是一次有趣的经历。
When I told her the air would be hard to breathe and it would be very cold, she said it would be an interesting experience.
当我告诉她那里空气稀薄，呼吸困难，而且天气寒冷时，她却说这将是一次有趣的经历。
When I told her the air would be hard to breathe and it would be very cold, she said it would be an interesting experience.
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