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VOA慢速英语 2008 1119b

时间:2008-12-11 05:41来源:互联网 提供网友:shenzhe   字体: [ ]
    (单词翻译:双击或拖选)

VOICE ONE:

I'm Steve Ember.

VOICE TWO:

And I'm Barbara Klein with Explorations in VOA Special English. We received a special request in a letter from a listener in Nagano, Japan. Atsumi Shimoda asked for a report about what the Special English writers thought were the seven natural wonders of the United States.

(MUSIC)

VOICE ONE:

So now we will visit these natural wonders. Some are huge. Some are powerful. And some are even a little frightening! But, we will keep a safe distance. The first stop is a natural wonder that the United States shares with Canada.

(SOUND)
 
Niagara Falls

That thundering crash is the tens of thousands of cubic feet of water that flow each second over Niagara Falls which includes the American Falls and Horseshoe Falls. The American Falls in New York State extends more than three hundred twenty meters across part of the Niagara River. The American Falls is more than fifty meters high.

Canada owns the larger Horseshoe Falls. It is about eight hundred meters wide and almost fifty meters high. It is shaped like the letter U, or a horse's shoe.

VOICE TWO:

Niagara Falls formed about twelve thousand years ago when huge melting sheets of ice formed the Great Lakes. The land was uneven1 with several drops in level, some very sharp. Water from Lake Erie began to flow north to Lake Ontario as a result of the loss of the ice barrier.

In modern times, several people have gone over Niagara Falls, most of them on purpose. Most also survived. But, we think the beauty and power of Niagara Falls is best experienced from near the water, not in it.

Now we travel southeast to the state of Florida. We will visit the area once called "the liquid heart" of that state -- the Everglades.

(MUSIC)

VOICE ONE:

Hundreds of birds fly in a sunny blue sky. The only sounds are bird calls and the soft noise made by tall grasses as the water slowly moves them. Hidden in the grasses, dark green alligators2 move at the edge of the water, like part of the Earth come alive.
 
The Everglades

This is the Everglades -- a low, watery3, partly coastal4 area that covers ten thousand square kilometers. The area is filled with sawgrass. This plant grows in sharp, thin pieces that are three to ten meters tall. The Everglades is sometimes called "river of grass."

The area also contains forests of palm, cypress5, mangrove6 and pine. And beautiful plants and sweet-smelling flowers grow in the Everglades. These include several kinds of the highly prized and rare flower, the orchid7. Animal species8 are plentiful9. Many colorful birds and butterflies live here. So do snakes, foxes, frogs and even big cats, called Florida panthers. But the Everglades alligators and crocodiles are probably the animals most identified with the Everglades. No other place in the world is home to both.

(MUSIC)

VOICE TWO:

Now we travel to the north central part of the country. We are in the state of South Dakota. The land is big and mostly flat with many fields of corn, wheat and soybeans. But as we travel west, the cropland gives way to wild grasses. A strong dry wind blows continuously from the west.

Suddenly, the land becomes torn and rocky, dry and dusty -- no longer green and gold. It is now a light red-brown color. All around are broken disordered forms. There are hills and valleys of all sizes and strange shapes.

VOICE ONE:
 
The Badlands also extend into North Dakota

These are the Badlands. Hundreds of thousands of years ago the area was grassland10. But, then, forces of nature destroyed the grass. Water and ice cut into the surface of the Earth. They beat at the rocks, wearing them away. The result is one of the world's strangest sights.

All together, the Badlands cover more than fifteen thousand square kilometers. About ten percent is national parkland. The area is a study in extremes. Temperatures in the summer have been as high as forty-six degrees Celsius11. In the winter they have dropped to as low as forty-one degrees below zero. Life in the Badlands is difficult. But animals do survive. The most well known is the prairie dog. This small mammal lives in a series of underground passages.

(MUSIC)

VOICE TWO:
 
The Grand Canyon12

As we continue west we also take a sharp dive south. We want to see the huge hole in the Earth, called the Grand Canyon in the state of Arizona. The first sight is breathtaking. The Grand Canyon stretches for hundreds of kilometers before us and hundreds of meters below us. It is about twenty-four kilometers across at its widest point. Its deepest point is almost two thousand meters down.

The Grand Canyon is a series of deep long cuts in rock. There are many passages and large raised areas. There are forests on the top level and desert areas down below. They provide support for several different ecosystems13. The Colorado River flows through the Grand Canyon. The Canyon offers a lot of information about the physical history of Earth. There is a huge amount of fossil15 evidence. And its walls provide a record of three of the four major periods of the Earth's geologic16 time.

(MUSIC)

VOICE ONE:

Now, we are at the hottest, driest and lowest place in North America. Death Valley is part of the Mojave Desert. It lies mostly in the western state of California although part of it reaches into Nevada.
 
Death Valley

An area called Badwater sits about eighty-six meters below sea level. There is not really any water there. The area gets fewer than five centimeters of rain a year.

During the summer the temperature in Death Valley can reach fifty-seven degrees Celsius. But, it can be dangerously cold in the winter there, too. And storms in the mountains can produce sudden flooding on the valley floor.

In other words, Death Valley is an unforgiving place. The heat has killed people in the past. And it will continue to kill those who are not careful in dealing17 with the area's extreme climate.

Death Valley holds much evidence of nature's past violence. For example, there is Ubehebe Crater18. This hole is about one kilometer across and more than two hundred thirty meters deep. It is the remains19 of a major volcanic20 explosion about two thousand years ago.

(MUSIC)

VOICE TWO:

Now it is time to cool off in the far northern state of Alaska. We could probably just call all of Alaska a natural wonder. But of special interest are its glaciers22. These huge, slow-moving masses of ice cover about seventy-five thousand square kilometers.

About one hundred thousand of these rivers of ice flow down mountains. Some start from thousands of meters up a mountain. They can flow to areas just a few hundred meters above sea level. The largest Alaskan glacier21 is called Malaspina. It is more than two thousand two hundred square kilometers.

VOICE ONE:

Most glaciers move very slowly. But sometimes one will suddenly speed ahead for a year or two. These are called surge23-glaciers. The most recent surges24 were in two thousand. The Tokositna glacier and Yanert Glaciers now have deep, narrow cuts on their formerly25 smooth surfaces. Yanert Glacier dropped ninety-one meters as a result of the surge. It is always very cold on the glaciers. Next we go to a hot spot. Sometimes very hot.

(MUSIC)

VOICE TWO:
 
Steam rising from Mount14 Kilauea

Welcome to Mount Kilauea, the world's most active volcano. It is on the island of Hawaii. Kilauea is not far from Mauna Loa, the largest volcano in the world.

Kilauea has been releasing burning hot liquid rock called lava26 continuously since nineteen eighty-three. The lava flows down the mountain to the Pacific Ocean. Its fierce heat produces a big cloud of steam when it hits the cold water. Kilauean lava continues to add land to the island. Sometimes visitors are able to walk out near the edge of this new black volcanic rock.

VOICE ONE:

These seven natural American wonders, from waterfalls to volcanoes, are not the only ones in the United States. What about the Great Salt Lake, the Old Faithful Geyser, the Mammoth27 Cave and the giant redwood forests? We will have to report about them and other natural wonders another time.

(MUSIC)

VOICE TWO:

This program was written and produced by Caty Weaver28. I'm Barbara Klein.

VOICE ONE:

And I'm Steve Ember. Join us again next week for another EXPLORATIONS in VOA Special English.

 


点击收听单词发音收听单词发音  

1 uneven akwwb     
adj.不平坦的,不规则的,不均匀的
参考例句:
  • The sidewalk is very uneven—be careful where you walk.这人行道凹凸不平—走路时请小心。
  • The country was noted for its uneven distribution of land resources.这个国家以土地资源分布不均匀出名。
2 alligators 0e8c11e4696c96583339d73b3f2d8a10     
n.短吻鳄( alligator的名词复数 )
参考例句:
  • Two alligators rest their snouts on the water's surface. 两只鳄鱼的大嘴栖息在水面上。 来自辞典例句
  • In the movement of logs by water the lumber industry was greatly helped by alligators. 木材工业过去在水上运输木料时所十分倚重的就是鳄鱼。 来自辞典例句
3 watery bU5zW     
adj.有水的,水汪汪的;湿的,湿润的
参考例句:
  • In his watery eyes there is an expression of distrust.他那含泪的眼睛流露出惊惶失措的神情。
  • Her eyes became watery because of the smoke.因为烟熏,她的双眼变得泪汪汪的。
4 coastal WWiyh     
adj.海岸的,沿海的,沿岸的
参考例句:
  • The ocean waves are slowly eating away the coastal rocks.大海的波浪慢慢地侵蚀着岸边的岩石。
  • This country will fortify the coastal areas.该国将加强沿海地区的防御。
5 cypress uyDx3     
n.柏树
参考例句:
  • The towering pine and cypress trees defy frost and snow.松柏参天傲霜雪。
  • The pine and the cypress remain green all the year round.苍松翠柏,常绿不凋。
6 mangrove 4oFzc2     
n.(植物)红树,红树林
参考例句:
  • It is the world's largest tidal mangrove forest.它是世界上最大的红树林沼泽地。
  • Many consider this the most beautiful mangrove forest in all Thailand.许多人认为这里是全泰国最美丽的红树林了。
7 orchid b02yP     
n.兰花,淡紫色
参考例句:
  • The orchid is a class of plant which I have never tried to grow.兰花这类植物我从来没种过。
  • There are over 35 000 species of orchid distributed throughout the world.有35,000多种兰花分布在世界各地。
8 species FTizN     
n.物种,种群
参考例句:
  • Are we the only thinking species in the whole of creation?我们是万物中惟一有思想的物种吗?
  • This species of bird now exists only in Africa.这种鸟现在只存在于非洲。
9 plentiful r2izH     
adj.富裕的,丰富的
参考例句:
  • Their family has a plentiful harvest this year.他们家今年又丰收了。
  • Rainfall is plentiful in the area.这个地区雨量充足。
10 grassland 0fCxG     
n.牧场,草地,草原
参考例句:
  • There is a reach of grassland in the distance.远处是连绵一片的草原。
  • The snowstorm swept the vast expanse of grassland.暴风雪袭击了辽阔的草原。
11 Celsius AXRzl     
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。
12 canyon 4TYya     
n.峡谷,溪谷
参考例句:
  • The Grand Canyon in the USA is 1900 metres deep.美国的大峡谷1900米深。
  • The canyon is famous for producing echoes.这个峡谷以回声而闻名。
13 ecosystems 94cb0e40a815bea1157ac8aab9a5380d     
n.生态系统( ecosystem的名词复数 )
参考例句:
  • There are highly sensitive and delicately balanced ecosystems in the forest. 森林里有高度敏感、灵敏平衡的各种生态系统。 来自《简明英汉词典》
  • Madagascar's ecosystems range from rainforest to semi-desert. 马达加斯加生态系统类型多样,从雨林到半荒漠等不一而足。 来自辞典例句
14 mount 6Fixv     
n.山峰,乘用马,框,衬纸;vi.增长,骑上(马);vt.提升,爬上,装备
参考例句:
  • Their debts continued to mount up.他们的债务不断增加。
  • She is the first woman who steps on the top of Mount Jolmo Lungma.她是第一个登上珠穆朗玛峰的女人。
15 fossil ZipxA     
n.化石,食古不化的人,老顽固
参考例句:
  • At this distance of time it is difficult to date the fossil.时间隔得这么久了,很难确定这化石的年代。
  • The man is a fossil.那人是个老顽固。
16 geologic dg3x9     
adj.地质的
参考例句:
  • The Red Sea is a geologic continuation of the valley.红海就是一个峡谷在地质上的继续发展。
  • Delineation of channels is the first step of geologic evaluation.勾划河道的轮廓是地质解译的第一步。
17 dealing NvjzWP     
n.经商方法,待人态度
参考例句:
  • This store has an excellent reputation for fair dealing.该商店因买卖公道而享有极高的声誉。
  • His fair dealing earned our confidence.他的诚实的行为获得我们的信任。
18 crater WofzH     
n.火山口,弹坑
参考例句:
  • With a telescope you can see the huge crater of Ve-suvius.用望远镜你能看到巨大的维苏威火山口。
  • They came to the lip of a dead crater.他们来到了一个死火山口。
19 remains 1kMzTy     
n.剩余物,残留物;遗体,遗迹
参考例句:
  • He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
  • The remains of the meal were fed to the dog.残羹剩饭喂狗了。
20 volcanic BLgzQ     
adj.火山的;象火山的;由火山引起的
参考例句:
  • There have been several volcanic eruptions this year.今年火山爆发了好几次。
  • Volcanic activity has created thermal springs and boiling mud pools.火山活动产生了温泉和沸腾的泥浆池。
21 glacier YeQzw     
n.冰川,冰河
参考例句:
  • The glacier calved a large iceberg.冰河崩解而形成一个大冰山。
  • The upper surface of glacier is riven by crevasses.冰川的上表面已裂成冰隙。
22 glaciers e815ddf266946d55974cdc5579cbd89b     
冰河,冰川( glacier的名词复数 )
参考例句:
  • Glaciers gouged out valleys from the hills. 冰川把丘陵地带冲出一条条山谷。
  • It has ice and snow glaciers, rainforests and beautiful mountains. 既有冰川,又有雨林和秀丽的山峰。 来自英语晨读30分(高一)
23 surge Mrlwi     
n.汹涌,澎湃;vi.汹涌,强烈感到,飞涨;vt.放开,松手
参考例句:
  • The surge travelled southwards along the coast.浪涛沿着海岸向南涌去。
  • It failed to stimulate a surge of investment in industry.这没有能刺激工业投资的激增。
24 surges 48aaefca298cc52a954e31429e6637ac     
n.奔涌向前( surge的名词复数 );(数量的)急剧上升;(感情等)洋溢;浪涛般汹涌奔腾v.(波涛等)汹涌( surge的第三人称单数 );(人群等)蜂拥而出;使强烈地感到
参考例句:
  • The Yellow River surges onward like ten thousand horses galloping. 黄河以万马奔腾之势滚滚向前。 来自《现代汉英综合大词典》
  • The raging tide of revolution surges forward. 革命怒潮汹涌澎湃。 来自《现代汉英综合大词典》
25 formerly ni3x9     
adv.从前,以前
参考例句:
  • We now enjoy these comforts of which formerly we had only heard.我们现在享受到了过去只是听说过的那些舒适条件。
  • This boat was formerly used on the rivers of China.这船从前航行在中国内河里。
26 lava v9Zz5     
n.熔岩,火山岩
参考例句:
  • The lava flowed down the sides of the volcano.熔岩沿火山坡面涌流而下。
  • His anger spilled out like lava.他的愤怒像火山爆发似的迸发出来。
27 mammoth u2wy8     
n.长毛象;adj.长毛象似的,巨大的
参考例句:
  • You can only undertake mammoth changes if the finances are there.资金到位的情况下方可进行重大变革。
  • Building the new railroad will be a mammoth job.修建那条新铁路将是一项巨大工程。
28 weaver LgWwd     
n.织布工;编织者
参考例句:
  • She was a fast weaver and the cloth was very good.她织布织得很快,而且布的质量很好。
  • The eager weaver did not notice my confusion.热心的纺织工人没有注意到我的狼狈相。
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TAG标签:   voa  慢速英语  voa  慢速英语
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