Its total area is 103 thousand square kilometers.

它的总面积是10.3万平方公里。

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The area covers 1,770 square kilometers. It's about 100 km southwest of Beijing.

该区占地1770平方公里。它在北京西南方向约100公里处。

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The Sahara, the world's largest desert, is more than 9 million square kilometers in size.

撒哈拉沙漠是世界上最大的沙漠，面积超过900万平方公里。

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But now,military officials say the area held by the Tamil Tigers has been reduced to just a few square kilometers of beachfront.

VOA: special.2009.05.16

Sometimes they give you the speed in miles per hour, kilometers per year, pounds per square foot.

有时候速度的单位是英里/小时,千米/年,英磅/平方米

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Ash up to three hundred meters thick covered more than six hundred square kilometers around the volcano.

VOA: special.2010.07.05

Moreover, another 3, 400 square kilometers had been contaminated to a lesser degree, according to the agency.

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And since 2004, we were able to rehabilitate from radiation about 3, 000 square kilometers of the polygon.

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The extent of Arctic sea ice extent fell to 4.10 million square kilometers on August 26, 2012.

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