Centuries ago, human beings looked up at the night sky and imagined that a black globe enveloped the Earth.

几百年前，当人们抬头仰望夜空时，都认为地球被一个黑色的罩子包裹着。

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The angular, black magnetite—the most common naturally occurring magnetic material on earth—is always black, however, and is frequently found near garnet.

那些有棱角的，黑色的磁铁矿一般都是黑色的，这种矿石是地球上最为常见的磁性矿石。

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The road to the green world of the future starts from the black earth.

从黑色的稀土开采驶向未来开始的绿色世界。

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As if anything mattered, with little Kathleen lying out there white and still under the black earth!

VOA: special.2010.05.15

This is important, because it's the black earth region of rich agriculture there.

这是很重要的一点,因为他们住在农业发达的黑土地区

耶鲁公开课 - 欧洲文明课程节选

The black substance that trapped the animals came out of the Earth as oil.

VOA: special.2010.04.07

Earth, black fruits, chocolate and warm spices dominate the nose.

FORBES: Wine of the Week: A Celtic Rioja

The initial images the SUV-size rover sent back to Earth were black and white and grainy, but one showed its wheel resting on the stony ground, and the vehicle's shadow appeared in another.

CNN: Mars landing went 'flawlessly,' scientists say

Charlotte Hobson is the author of Black Earth City, which describes life in Russia during the collapse of the Soviet Union.

BBC: Snowbound Slovenia