The Shenzhou-8 traveled east, almost parallel to the surface of Earth.
神州8号向东移动，几乎和地球表面平行。
The surface of Mars is more like the surface of Earth than any other planet in our solar system.
火星的表面比太阳系中其他任何行星更像地球。
If the surface of Earth was as smooth as the Chandra mirrors, the highest mountain would be less than six feet tall!
如果地球表面和钱德拉镜面一样平滑，那么所谓最高山峰也不足6英尺！
This material was pummeling the surface of Earth right through the Hadean era. But that doesn't explain why LUCA chose our side of the mirror.
在整个冥古宙，从太空中被抛至地球的正是这种物质，但这种猜测却无法解释为什么露卡会选择两种镜像中的一种。
The theory of plate tectonics holds that the surface of Earth is composed of a dozen or so huge crustal slabs that float on a sea of partially molten rock.
板块构造论认为，地球表面由十来个巨大的地壳板块构成，漂浮在浩瀚如海的部分熔岩上。
From these studies, scientists have concluded that the surface of the primitive Earth was covered with oceans containing the molecules fundamental to life.
从这些研究中，科学家们得出结论，海洋覆盖着原始地球的表面，其中含有构成生命的基本分子。
The trip from Earth by "Philae" had taken ten years! The scientists had no idea what the surface of the comet would be like.
“菲莱”号从地球出发的旅行已经花了十年的时间！科学家们不知道彗星的表面会是什么样子。
As geologists, we examine layers of sediment on the Earth' s surface to approximate the dates of past geologic time periods.
作为地质学家，我们研究地球表面的沉积层以估算过去地质时期的年代。
Think of wetlands as a giant sponge: the earth soaks up a lot of this water that's continually flooding the surface, which increases the amount of water below.
把湿地想象成一块巨大的海绵：地球吸收大量的不断涌向地表的，增加了地表以下水量的这些水。
Once Earth had gone through the final stages of its formation, gases bubbled to the surface and were held by Earth's gravitational field to form the atmosphere.
一旦地球经历了其形成的最后阶段，气体就会鼓泡到地表，并被地球的重力场控制，形成大气。
Such a quantity of material would have blocked the sunlight completely from reaching the surface, plunging Earth into a period of cold and darkness that lasted at least several months.
如此大量的物质会完全阻挡阳光到达地表，使地球陷入至少持续数月的寒冷和黑暗之中。
One question that has baffled planetary scientists is how oceans formed on the surface of terrestrial planets like Earth — rocky planets made of silicate and metals.
一个困扰着行星科学家的问题是：海洋是怎样在像地球这样由硅酸盐和金属组成的石质行星的表面形成的？
The central idea behind a Space Elevator involves lowering a cable — perhaps constructed from asteroid material — from geostationary Earth orbit to the surface of the Earth.
太空升降机背后的核心理念包括降下一根电缆——也许是由小行星材料制成的，——从对地静止轨道到地球表面。
Caves belong to the most enigmatic formations, created by Mother Nature on the surface of planet Earth, or, to be more accurate, beneath it.
洞穴堪称最神秘的构造，是大自然母亲在地球表面，或者更精确些，在地表以下巧夺天工的创造。
Astronomers think that the surface of the moon is dust. On the earth, rocks store heat from the sun.
天文学家们认为，月球的表面是尘埃，而地球上岩石能储存太阳的热量。
It is a truism that scientists know more about the surface of Mars than they do about the surface of the Earth, but it is also true.
科学家们对火星表面的了解甚于他们对地球表面的了解，这句话听上去难免觉得有些老套，但也是事实。
The surface of the earth was thinner in some places. It was in these places that earthquakes and volcanoes developed.
他认为，地球中心非常炽热，地球表面某些地方要薄一些，地震和火山往往爆发于这些地方。
Small moonquakes, originating several kilometers below the surface, are thought to be caused by the gravitational pull of Earth.
发源自月球表面以下几英里的轻微月震据估计是由地球引力的牵引造成的。
Astarquake is thought to be the tearing apart of the surface of a neutron star, much like an earthquake here on earth.
恒星地震拒信可以撕裂中子星表面，其所能产生的破坏力很像地球上的地震。
Do you think that it is possible to eradicate mosquitoes from the surface of the earth?
你认为彻底消灭地球表面的蚊子是可能的吗？
The lowest point on the surface of the Earth, tourists come from around the world to float in the Dead Sea, a lake lying between the countries of Israel and Jordan.
在地球表面上的最低点，来自世界各地的游客到此只是为了在死海上漂浮。它位于以色列和约旦之间。
Most of this surface is sea, and the water below it—over 97% of the total on Earth—is salty.
太空看地球，水面远远多出地面，水面之下咸涩的海水在地球储水总量中的比重超过了97%。
Maps (on paper or on the screen) are flat surfaces; they require a transformation from the curved surface of the earth to the flat plane: a map projection.
纸上或屏幕上的地图是平面的；它们需要从地球的曲面向平面进行转换：地图投影。
Air pressure on the surface of the Earth is fairly constant, so in designing a microphone for use on land, engineers don't have to worry about large variations in air pressure.
地球表面的气压相对稳定，因此设计地面用的传音器，工程师并不需烦恼气压的大幅变化。
An air burst is an explosion in which a weapon is detonated in air at an altitude below 30 km but at sufficient height that the fireball does not contact the surface of the earth.
空中爆炸指的是核爆发生在海拔30公里以下，且火球有足够高度不接触到地面。
So long as I remain alive and well I shall continue to feel strongly about prose style, to love the surface of the earth, and to take a pleasure in solid objects and scraps of useless information.
只要我还活着，我仍会继续讲究文笔风格，热爱大地的山川胜景，对琐细的物品和无用的传闻感到欣悦。
It might be one of the most unconventional hospital wards on Earth, except that technically it's not on Earth: it's hundreds of meters below the surface.
这里也许是地球上最不规范的住院部，只可惜，严格地说它不在地球上，因为它在地面以下数百米处。
There's a huge microbial biosphere hidden beneath the surface of the earth - possibly comparable in biomass to the plant life we can see on the surface.
地表之下存在着一个巨大的微生物圈——其生物量可能相当于我们在地表能看到的植物的生物量。
There's a huge microbial biosphere hidden beneath the surface of the earth - possibly comparable in biomass to the plant life we can see on the surface.
地表之下存在着一个巨大的微生物圈——其生物量可能相当于我们在地表能看到的植物的生物量。
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