19 篇文章
Every year, 5,000 square miles of grassland are flooded.
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Every year, 5,000 square miles of grassland are flooded. 每年都有近一万三千平方公里的草原被水淹没

Every year, a further 50,000 square miles of grass and farmland
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Every year, a further 50,000 square miles of grass and farmland 每年都有近十三万平方公里的草地和农田

This one extends over 200 square miles
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This one extends over 200 square miles 这个蝗群遍布五百一十八平方公里

only about four of them in 40 square miles.
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only about four of them in 40 square miles. 百平方公里内只有四只

and covering a third of a million square miles,
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and covering a third of a million square miles, 占地面积八十六万平方公里

Like gladiators, the males square up for a battle.
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Like gladiators, the males square up for a battle. 如同角斗士,雄鸡们为战斗摆好了架势

These vast aquatic grasslands stretch for fifteen hundred square miles
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These vast aquatic grasslands stretch for fifteen hundred square miles 这片广大的海洋牧场 面积可达1500平方英里

But why the square head?
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But why the square head? 但是为什么是方形的头呢?

But every square metre of soil moistened by this river
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But every square metre of soil moistened by this river 这里的每一寸土壤都已被河水润湿