火星的大气层只含有微量的水。
宇宙飞船进入地球大气层时被烧毁。
The spacecraft burned up as it entered the earth's atmosphere.
重返大气层的航天器受到重力的作用。
Spacecraft which are re-entering the earth's atmosphere are affected by g forces.
减少大气层中的二氧化碳含量极其重要。
Reducing levels of carbon dioxide in the atmosphere is of critical importance.
该操作台会在重新进入地球大气层时烧掉。
The station would burn up on reentry into the Earth's atmosphere.
我们实际上改变了地球大气层的化学成分。
We have literally altered the chemistry of our planet's atmosphere.
哥伦比亚号航天飞机将在明天上午重进地球大气层。
The shuttle Columbia will re-enter Earth's atmosphere tomorrow morning.
航天飞机重返地球大气层时因有摩擦力而减慢速度。
The force of friction slows the spacecraft down as it re-enters the earth's atmosphere.
火星周围有一个薄薄的大气层，几乎全由二氧化碳构成。
Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
该项目将使科学家们对地球大气层正在发生的情况有更新的了解。
The project would give scientists new insights into what is happening to the Earth's atmosphere.
这还有大气层呢。那应该算进来吗？
这些升到天空高处的气体被称为大气层。
These gases reach high into the sky and are called the atmosphere (大气层).
卫星拍摄大气层的照片，那是天气形成的地方。
The satellites take pictures of the atmosphere, where the weather forms.
当人类向大气层排放了过多的温室气体时，麻烦就来了。
The trouble comes when humans add too much gases to the atmosphere.
由于太空舱仍在地球大气层内，因此不需要特别的服装或训练。
Because the capsule remains within the Earth's atmosphere, no special clothing or training are needed.
在大气层的上层，它会燃烧。
科学家发现金星有大气层。
如果大气层和地球的一样，这是可能的。
If the atmosphere were like that of the earth, this might be possible.
在地球大气层中燃烧。
相比之下，类地行星最多只有稀薄的大气层。
By comparison, the terrestrial planets have meager atmospheres at best.
没有大气层会导致人体内气体膨胀甚至炸裂。
The lack of atmosphere can cause gases in the body to expand and even burst.
在海底和在大气层外的人有着类似的感受和情绪。
The feelings and the emotions of a man beneath the sea will be much like those of a man beyond the atmosphere.
围绕海王星的气层内所含大量甲烷将它染成了蓝色。
The large amount of methane contained in the atmosphere surrounding Neptune stained it blue.
这个网会捕获垃圾，然后将其拉到地球大气层中烧掉。
The net catches the junk and then pulls it into the earth's atmosphere to burn up.
其次，极地的大气层很薄，所以加热它所需要的能量很少。
Second, the polar atmosphere is thin, so little energy is required to warm it.
科学家们认为在大气层下存在着一层由碳和氧组成的稀薄地壳。
Under the atmosphere, scientists think there is a very thin crust of carbon and oxygen.
不过，要改变大气层使人类能够在那里生活，还需要更长的时间。
It will take a bit longer, though, to transform the atmosphere so that human beings could live there.
热也使我们的环境变得适宜生存，而且一些紫外线会穿透大气层。
Heat, too, makes our environments tolerable and some ultraviolet rays penetrate the atmosphere.
如果我们要保护大气层，这些新工厂必须对环境无害，这一点至关重要。
If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound.
地球大气层中的二氧化碳分子像一个单向屏一样影响着地球的热量平衡。
The molecules of carbon dioxide in the Earth's atmosphere affect the heat balance of the Earth by acting as a one-way screen.
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