When you live at one of the most isolated corners of the planet, a dog really is man's best friend.

如果你居住在这个星球极其荒凉的一隅，那么狗会是你最好的朋友。

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We are reproducing ourselves at such a rate that our numbers threaten the ecology of the planet.

我们繁衍得如此之快，以至于人口数量威胁到地球的生态系统。

《柯林斯英汉双解大词典》

Our galaxy is so huge that dozens of lesser galaxies scamper about it, like moons orbiting a giant planet.

我们的银河系实在庞大，吸引着数十个较小的星系环绕着它奔跑，恰似环绕巨大行星旋转的卫星。

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A new report says mangrove forests store more planet-warming carbon dioxide than almost any other ecosystem on Earth.

VOA: special.2011.05.10

I--You're just off on a different planet in terms of your capacity to process aural material, but we--I can't do that.

我,大家其实到了另外一个星球,要说咱们对声音材料的处理能力,但是我们,我无法做到那样

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Suppose the planet were hit by a comet-- this happened--something like this happened sixty-five million years ago, so it could happen again.

假设这个星球被一颗彗星击中-,这样的事，大约六千五百万年前,发生过，所以它还可能再发生。

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Eventually, the people with the phones are going to start using these new sites, and I imagine many more listeners to the BBC's Digital Planet - a radio programme devoted to the way technology touches lives around the world - will come online and join in the conversation.

BBC: NEWS | Technology | Social net offers new perspective

In their paper, the co-authors argue that gravitational tidal heating caused by the gravitational friction of an earth-like exo-moon on an eccentric orbit around a Jupiter-like planet lying at a Jupiter-like distance from its parent star, could, in fact, create habitable conditions.

FORBES: Earth-Like Exo-Moons Can Lurk Well Beyond Planetary Habitable Zones, Say Astronomers

The system could thus provide astronomers with invaluable information about planet-disc interaction, suggests Alan Boss, a leading planet-formation theorist at the Carnegie Institution in Washington.

ECONOMIST: Astronomers may have stumbled on the birth of a solar system