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SSS 2008-03-07

时间:2010-05-13 03:12来源:互联网 提供网友:0922013129   字体: [ ]
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This is Scientific American's 60-Second Science. I'm Steve Mirskey, Got a minute?

 Here is another reason to stop global warming to keep the Burmese pythons in Florida. Burmese pythons have been turning up in south Florida in recent years. Perhaps you've seen the famous photo of a python ripped apart by its efforts to ingest a large alligator1. Apparently2 people with pythons as pets have been getting rid of the snakes when they get too big by dumping them in the Everglades. And in 2003, biologists confirmed the presence of a breeding population of the slithering serpents in Everglades National Park which skeeves me out because I spent a lot of time there. I'm not afraid of timid alligators3 but hungry Burmese pythons give me the willies. Anyway the US Geological Survey recently did an analysis of potential temperatures around the country by the end of this century and then analyzed4 where Burmese pythons would be comfortable based on their home territory from Pakistan to Indonesia. The result: pythons could colonize5 a third of the U.S. Did I mention that they can be over 20 feet long and 250 pounds?-- might be the best motivation to do something about climate change.

 

Thanks for the minute for Scientific American's 60-Second Science. I'm Steve Mirskey.
 


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1 alligator XVgza     
n.短吻鳄(一种鳄鱼)
参考例句:
  • She wandered off to play with her toy alligator.她开始玩鳄鱼玩具。
  • Alligator skin is five times more costlier than leather.鳄鱼皮比通常的皮革要贵5倍。
2 apparently tMmyQ     
adv.显然地;表面上,似乎
参考例句:
  • An apparently blind alley leads suddenly into an open space.山穷水尽,豁然开朗。
  • He was apparently much surprised at the news.他对那个消息显然感到十分惊异。
3 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
4 analyzed 483f1acae53789fbee273a644fdcda80     
v.分析( analyze的过去式和过去分词 );分解;解释;对…进行心理分析
参考例句:
  • The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。 来自《简明英汉词典》
  • The young man did not analyze the process of his captivation and enrapturement, for love to him was a mystery and could not be analyzed. 这年轻人没有分析自己蛊惑著迷的过程,因为对他来说,爱是个不可分析的迷。 来自《简明英汉词典》
5 colonize mqzzM     
v.建立殖民地,拓殖;定居,居于
参考例句:
  • Around 700 Arabs began to colonize East Africa.公元700年阿拉伯人开始把东非变为殖民地。
  • Japan used to colonize many countries in Asia.日本曾经殖民过许多亚洲国家。
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