By other standards even in your own solar system, you are in fact quite a small planet.
即使以你们自己的太阳系的其他的标准来看，你们实际上也是相当小的星球。
Today, a muffin averages 500 calories, 20-plus grams of fat, and are closer to the size of a small planet.
而今天，一块松饼含约500卡路里，相当于过去20倍的脂肪，几乎有一颗小行星那么大。
The problems of numerous inhabitants on this small planet will continue to be important to each of us.
在这个小小星球上的很多人面对的问题仍将是关系到我们每个人的重大问题。
The fact that man's body is a speck of dust on a small planet leads to the illusion that humans are a small creation.
人的身体是一颗小行星上的一粒尘埃，这一事实使人类产生自己是一个渺小的造物的幻觉。
The fact that man's body is a speck of dust on a small planet leads to the illusion that humans are a small creation.
与观测事实比较后表明，我们得到的尘埃颗粒及气体的速度流场都与观测事实相一致。
The fact that man's body is a speck of dust on a small planet leads to the illusion that humans are a small creation.
要知道，即使是空气中细小的尘埃也可以导致刚刚涂饰的家具表面产生颗粒，影响手感的光滑度。
Vegetarianism was not very common in the u. s. until 1971, when Frances Moore lappes bestseller "diet for a small planet" was published.
素食主义早期在美国并不盛行，一直到1971年法兰西斯莫尔拉彼的畅销书一个小星球的饮食才改变了人们的想法。
Now, four centuries later, we know that the Earth is a small planet circling a minor sun on the edge of just one of an estimated 125 billion galaxies.
而四个世纪之后的今天，我们已经知道了地球只是围绕着一颗并非显赫的太阳旋转的小小星球，我们的太阳处在银河系的一隅，而据科学家估算，这样的银河系大约有一千二百五十亿个。
A spokesman from the Nasa Goddard Space Flight Center, which released the pictures, said: 'These are spectacular "blue marble" images, which show the beauty of our small planet.'
发行这些图片的NASA戈达德空间飞行中心的一位发言人说：”这些是展现我们的小星球之美的壮观的‘蓝宝石’图。
The little prince was a miraculous child. He came from a very small planet that was scarcely any larger than a house. There were two active volcanoes, one extinct volcano and some flowers on it.
小王子是个神奇的孩子。他来自一个跟房子差不多大的星球。那里有两座活火山、一座死火山和一些花儿。
Earth's midsection bulges and the catastrophic land displacement caused a small reduction in the bulge, making the planet more round.
地球中部是稍稍膨胀的，历经灾难的陆地位移导致了隆起的轻微减少，让地球变得更圆。
From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.
从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。
One day, a little boy Jim was walking on the planet, when he passed a cave and noticed a small red flower inside.
一天，一个小男孩吉姆在这个星球上行走，当他经过一个洞穴时，他注意到里面有一朵小红花。
Objects, like bits of old space rockets or satellites, move around the planet at very high speeds, so fast that even a very small piece can break important satellites or become dangerous to astronauts.
一些物体，比如一些旧的太空火箭或卫星碎片，在地球上以非常高的速度运动，速度如此之快，以至于一个非常小的碎片都能破坏重要的卫星或对宇航员造成危险。
Our entire planet must address this problem because no nation, however large or small, wealthy or poor, can escape the impact of climate change.
这个问题必须由我们整个星球来解决，因为没有一个国家，不论大小、贫富，能够摆脱气候变化的影响。
Pluto, now classed as a dwarf planet, is so small and so distant that its surface has been a mystery to astronomers.
现在归类于矮行星的冥王星是那么小，那么远，对天文学家来说，其表面一直是个谜。
We search the universe looking for signs of water and when we look back at our planet, we are small and pale, yes, but we're dazzlingly blue.
我们探索宇宙来寻找水的迹象，但当我们回望地球的时候，发现她又小又暗，但是确闪耀着蓝色。
The idea that trace amounts of water in planetesimals could give rise to vast oceans may seem far-fetched until one considers how small an ocean can be relative to the size and mass of a planet.
星子中微量的水造就了宽阔的海洋这一观点也许看起来不切实际直到人们认识到相对于一颗行星的质量和体积，浩瀚的海洋是多么的渺小。
The idea that trace amounts of water in planetesimals could give rise to vast oceans may seem far-fetched until one considers how small an ocean can be relative to the size and mass of a planet.
星子中微量的水造就了宽阔的海洋这一观点也许看起来不切实际，直到人们认识到相对于一颗行星的质量和体积，浩瀚的海洋是多么的渺小。
A big moon likely could have helped stabilize Mars' orbit, but the planet has just two small moons, most likely captured asteroids, that don't have much gravitational muscle.
一个月亮很可能帮助稳定火星的轨道，但是它也有两个小的卫星，很可能是被捕获的小行星，他们根本就没有足够的引力能束缚。
If a planet is too small or too close to the heat of a star, it can't hold on to the lightweight gas at all.
如果一颗行星太小或离一个恒星的热源过近的话，它就不能留住轻质气体。
The first official challenge to the small, hospitable world looks in the exact same data — and finds no significant sign of the planet.
官方对于这颗小行星的存在的怀疑来自于发现它的同一份数据。
If Kepler can find a planet as small as 10b, it can certainly find one that's smaller.
如果开普勒可以发现像10b这么小的星球，那它肯定可以发现比这更小的。
And from his small laboratory, Lovelock has proposed a theory that is changing the way scientists think about life on our planet.
就是在这个小实验室中，Lovelock提出了一项改变科学家关于我们这个星球上生命的思维方式。
It does so by watching for small diminutions in the amount of light from a star as the planet in question passes in front of it, a phenomenon known technically as a transit.
当被观测行星从恒星前经过时，CoRoT号就观察来自恒星的光的细微减少，这种现象在天文术语中叫做过境。
But because the newfound planet, HIP 57050 b, is only Saturn-size rather than, say, the size of Jupiter or larger, any moons it may have are probably rather small and not especially planetlike.
不过由于新发现的行星HIP 57050b的体积只有土星那么大，而没有木星那么大或者更大，所以这颗行星如果有卫星的话，卫星可能会比较小，尤其是不具有类行星的特征。
But because the newfound planet, HIP 57050 b, is only Saturn-size rather than, say, the size of Jupiter or larger, any moons it may have are probably rather small and not especially planetlike.
不过由于新发现的行星HIP 57050b的体积只有土星那么大，而没有木星那么大或者更大，所以这颗行星如果有卫星的话，卫星可能会比较小，尤其是不具有类行星的特征。
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