- 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
- in their search for new feeding grounds.
去寻找新的觅食区
- 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
- This one extends over 200 square miles
这个蝗群遍布五百一十八平方公里
- and contains several billion individuals.
共有数十亿只蝗虫
- Between them, they will devour 40,000 tonnes of food in a day.
每天能吃掉四万吨食物
- 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