A sudden flush of vegetation is what every desert dweller waits for, 植物的突然兴盛是 所有沙漠动物都盼望的事
means that desert elephants can only refill their tanks once every four or five days. 意味着沙漠里的大象 只能每隔四五天喝饱一回
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
Elsewhere in Africa elephants drink every day, 非洲其它地方的大象每天都会喝水
Every hour the temperature rises by five degrees centigrade. 每过一小时 气温就将升高5℃
Every year almost 2 thousand million tonnes of sediment 每年大约有20亿吨泥沙在此沉淀
In flood 30 million litres of water spill over every second. 瀑布每秒的水流量达到3000万立方米
but every year some of the world's high rivers are crowded by millions of visitors. 而世界上的高山河流每年都将 迎接成千上万的来访者
There is a tropical downpour here almost every day of the year. 这里全年几乎每天都会降下热带暴雨
In the ascent every wing beat becomes an exhausting struggle. 上升过程中每扇一下翅膀 都得用尽全身气力