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【英语畅谈世界文化】007 大堡礁 Great Barrier Reef  

2016-10-18 15:21:45|  分类: 【英语】听力 |  标签: |举报 |字号 订阅

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Lesson7:  大堡礁   Great Barrier Reef (澳大利亚)

原文:

D: David    VVicki

 

D: Vicki, hello! Long time no see. Where have you been?

V: I spent the last six months in Australia. It was so great, I had a wonderful time. The best bit was snorkelling at the Great Barrier Reef. The sea life there is out of this world.

D: The Great Barrier Reef is the only living organic collective visible from Earth's orbit.  It's one of the wonders of the natural world.

V: And it's the world's largest coral reef ecosystem. There are loads of beautiful islands scattered around and idyllic coral cays.

D: It's pretty big. Isn't it? I think it covers more than 300, 000 square kilometers.

V: Yes, it's huge.  There are more than 3, 000 reefs, which vary in size, the smallest is about I hectare.  But the biggest is massive, over 10, 000 hectares.

D: Wow! Unfortunately because many tourists go there, it's suffering. You know, because of the pollutants.

V: Unfortunately, that's true.  Its protection is the responsibility of the Marine Park  Authority, they have developed something called "The Reef Plan". This is a combined effort to protect the reef

D: I believe they are doing a good job with that. How about the coral? Is it really as beautiful as they say?

V:  Oh my god, yes!  Coral consists of individual coral polyps-tiny live creatures which join together to form colonies. Each polyp lives inside a shell of aragonite, a type of calcium carbonate which is the hard shell we recognise as coral.

D: So, these polyps join together to create forests of coloured coral in interesting An. antler, brain and plate shapes.

V: That's right.  The ideal environment for coral is shallow warm water where there is a lot of water movement, plenty of light, where the water is salty and low in nutrients.

D: How many different kinds of coral are there?

V: There are many different types of coral, some arc slow growing and live to be hundreds of yean old, others are faster growing. The colours of coral are created by algae. Only live coral is coloured. Dead coral is white.

D: Have you got any photos?

V: Loads! Come and have a look.



译文:

D:戴卫    V:薇琪

D:薇琪,你好!好久不见了。你去哪儿了?

V:过去半年我都待在澳大利亚。那里太好了,我玩得很开心。最有意思的就是在大堡礁潜水,那里的海洋生物是世界一流的。

D:大堡礁是唯一能够从地球同步轨道上看得见的生命有机体。它是自然界的一大奇观。

V:它也是世界上最大的珊瑚礁生态系统。那里四周都是漂亮的岛屿和田园般的珊瑚礁沙洲。

D:大堡礁很大,是吧?我想它的面积大概有300.000平方公里。

V:是的,相当大。它由大大小小约3000多个珊瑚礁组成,最小的大约一公顷大。但最大的却相当大,有10. 000公顷。

D:哇,真够大的!可不幸的是,由于去那里参观的游客很多,大堡礁正面临毁灭之灾。你知道,这是由污染物造成的。

V:的确很不幸。保护大堡礁是海洋公园管理局的责任,他们制定了一个计划叫“珊瑚礁计划”,旨在号召大家共同努力保护大堡礁。

D:我相信他们是在做好事。对了,珊瑚怎么样?它们真的就像人们说的那么漂亮吗?

V:哦,天啊!真的非常漂亮。珊瑚由单个的珊瑚虫组合而成。珊瑚虫是一种微小的生物,聚合在一起而形成一个群体。每一个珊瑚虫都寄生在一个文石壳内。文石是一种碳酸钙,也就是我们所说的珊瑚硬壳。

D:也就是说,这些珊瑚虫聚合在一起形成了五颜六色的珊瑚丛,有扇形、鹿角形、大脑形和盘子形,非常有意思。

V:是这样,珊瑚生活的理想环境是海水流动较多的温暖浅滩,那里光线充足,水的盐分高、养分低。

D:大堡礁的珊瑚有多少种?

V:珊瑚的种类很多,有些生长缓慢,能存活几百年,而其它的生长较快。珊瑚的颜色是由海藻形成的。只有活着的珊瑚才是彩色的,死了的珊瑚都是白色的。

D:你有没有照片?

V:多的是。过来看看吧。


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