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 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 这个蝗群遍布五百一十八平方公里
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, 占地面积八十六万平方公里
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 这片广大的海洋牧场 面积可达1500平方英里
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