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

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  1. Once airborne, the locusts can travel over 60 miles a day
    一旦上天 蝗虫每天可以飞行九十六公里
  2. in their search for new feeding grounds.
    去寻找新的觅食区
  3. A super swarm of this scale may only appear once in a decade.
    如此大规模的超级蝗群也许十年才出现一次
  4. This one extends over 200 square miles
    这个蝗群遍布五百一十八平方公里
  5. and contains several billion individuals.
    共有数十亿只蝗虫
  6. Between them, they will devour 40,000 tonnes of food in a day.
    每天能吃掉四万吨食物
  7. Nothing can strip a land of its vegetation with such speed
    蝗灾吞噬植被的速度和彻底性

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 127 行

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