英语听力：自然百科 圣河之旅 The Nile尼罗河—16

 -In summer, the temperature reaches more than 48 degrees Celsius¹. We are using this bigger cooling fans. We are using these misters. All these together reduce the temperature by 20 degrees Celsius from outside. The cows produce up to three times as much milk as Sudan's native breed. Thanks to the waters of the Nile.

-Shall we go in?

But as populations along the Nile continue to rise and farming here intensifies², an ever greater strain will be placed on the river. -How many do you get now?

-We've got now 2,500 cows, our plan here in two years to expand to 10,000 cows. -Feel a bit conflict about what I am saying here, because although I am sure they're farming with the best of intensions, they are using a lot of water from the Nile. And although they say that the amount they're using is sustainable, what will happen if they were 100 farms like this, 1000 farms like this, sucking water out of the river? There won't be a lot left to flow on down, through the rest of Sudan into Egypt. Who does the Nile belong to? It comes back to that question. Who has rights to the water of the Nile? And there's something that the countries along the Nile haven't really decided³ and haven't been able to come to an agreement on. Coming to a crucial point on the river.

1 Celsius   

adj.摄氏温度计的，摄氏的

参考例句：

• The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
• The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。

2 intensifies   

n.（使）增强， （使）加剧( intensify的名词复数 )v.（使）增强， （使）加剧( intensify的第三人称单数 )

参考例句：

• A clear atmosphere intensifies the blue of the sky. 纯净的空气使天空变得更蓝。 来自《简明英汉词典》
• Blowing on fire intensifies the heat. 吹火使热度加强。 来自《简明英汉词典》

3 decided   

adj.决定了的，坚决的；明显的，明确的

参考例句：

• This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
• There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。