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第819期:正在消融的冰川(3)

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Voice 2: For example, Mount Kilimanjaro rises over six thousand metres above the valleys of Tanzania, Africa.It is the tallest mountain in Africa.And, it is one of the only places where people in Africa can see snow!Writer Ernest Hemingway made this snow famous in his book "The Snows of Kilimanjaro".But the snow and ice of Mount Kilimanjaro are quickly disappearing.

声音2:例如,乞力马扎罗山高出非洲坦桑尼亚的山谷6000多米。它是非洲最高的山。而且,它是非洲仅有的能看到雪的地方之一!作家欧内斯特·海明威在他的书《乞力马扎罗的雪》中使这里的雪闻名于世。但是乞力马扎罗山的冰雪正在迅速消失。

Voice 1: Glaciers exist on every continent.They are like rivers of flowing ice.They cut their way through mountain valleys.Usually, during warmer seasons, glaciers will melt just a small amount.People living below the mountains use this water.It fills their rivers.It helps their crops grow. They drink it.But, in colder seasons the glaciers will build up again.Snow and rain on the mountains help glacier growth stay constant.But, mountain glaciers are shrinking at too fast a rate.People all over the world are watching it happen.

声音1:各大洲都有冰川。它们就像流冰的河流。它们在山谷中开辟道路。通常,在温暖的季节,冰川只会融化一小部分。住在山下的人们使用这些水。它填满了他们的河流。它有助于他们的庄稼生长。他们喝它。但是,在寒冷的季节,冰川会再次堆积。山上的雪和雨有助于冰川持续生长。但是,高山冰川正在以很快的速度缩小。全世界的人都在看着它发生。

Voice 2: Professor Lonnie Thompson lives and works in Tanzania.He says that eighty-two percent of the glacial ice on Mount Kilimanjaro is gone.At the current rate, the glacier will be gone before the year 2020.

声音2:朗尼·汤普森教授在坦桑尼亚生活和工作。他说,乞力马扎罗山上82%的冰川已经消失。按照目前的速度,冰川将在2020年之前消失。

Voice 4: "Ice is very much a threshold system.If the temperature is minus one degree Celsius, it is perfectly happy.But, once you reach zero and it starts to melt, the ice will disappear much more rapidly.And there is evidence since 2000 that there have been lakes that have burst out the sides of the glaciers.So melting has taken place."

声音4:“冰在很大程度上是一个阈值系统。如果温度是零下一摄氏度,它就非常快乐。但是,一旦达到零度,冰开始融化,冰消失的速度就会快得多。有证据表明,自2000年以来,有湖泊从冰川的侧面喷发出来。所以融化已经发生了。”

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重点单词   查看全部解释    
burst [bə:st]

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n. 破裂,阵,爆发
v. 爆裂,迸发

 
temperature ['tempritʃə(r)]

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n. 温度,气温,体温,发烧

 
glacial ['gleisiəl]

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adj. 冰的,冰川(期)的,非常冷的,缓慢的

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current ['kʌrənt]

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n. (水、气、电)流,趋势
adj. 流通的

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constant ['kɔnstənt]

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adj. 经常的,不变的
n. 常数,恒量

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evidence ['evidəns]

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n. 根据,证据
v. 证实,证明

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flowing ['fləuiŋ]

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adj. 流动的;平滑的;上涨的 v. 流动;起源;上涨

 
glacier ['glæsjə]

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n. 冰河,冰川

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melt [melt]

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vi. 融化,熔化,消散
vt. 使融化,使熔

 

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