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英文书摘精选 学唱歌

时间:2018-03-30 06:38来源:互联网 提供网友:qing   字体: [ ]
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    (单词翻译:双击或拖选)

The complex vocalizations of songbirds are learned, not inherited. Some even have regional accents.

Wrens1, thrushes and other songbirds don't hatch with their impressive musical talents. They learn to sing their extensive repertoires3 by listening to others of their kind.
Donald Kroodsma is the author of a new book, 'The Singing Life of Birds.' Kroodsma says many birds seem to come naturally equipped with basic sounds and even some very simple songs. The eastern wood-pewee is an example.

'We've done some experiments showing that those songs are pretty much encoded in the DNA4. But as a result, it's a pretty limited repertoire2 of, oh, in the eastern wood peewee, of up to three different songs. But all the songbirds, when we think of songbirds, we think of wrens and warblers, robins5, thrushes, sparrows, all the birds that make so much racket, these are the songbirds that have very special groups of neurons in the brain, and most of them imitate precise details of songs just like you and I learned our native language.'
Kroodsma says birds even share our tendency toward regional dialects.

'When birds learn songs at a particular location and stay around at that location, regional dialects tend to develop. They have the same kind of dialects that develop in human speech.'
Kroodsma says he recently took a long bike trip, from the Atlantic Coast through Virginia, Kentucky and Illinois. He says the accents and dialects of both people and birds changed along the way.

Script for Tuesday, May 10, 2005


点击收听单词发音收听单词发音  

1 wrens 2c1906a3d535a9b60bf1e209ea670eb9     
n.鹪鹩( wren的名词复数 )
参考例句:
  • Other songbirds, such as wrens, have hundreds of songs. 有的鸣鸟,例如鹪鹩,会唱几百只歌。 来自辞典例句
2 repertoire 2BCze     
n.(准备好演出的)节目,保留剧目;(计算机的)指令表,指令系统, <美>(某个人的)全部技能;清单,指令表
参考例句:
  • There is an extensive repertoire of music written for the flute.有很多供长笛演奏的曲目。
  • He has added considerably to his piano repertoire.他的钢琴演奏曲目大大增加了。
3 repertoires 2941e2e9c109c1291abef586f3036aad     
全部节目( repertoire的名词复数 ); 演奏曲目
参考例句:
  • There were huge repertoires of pipa music in Chinese history, particularly during the Tang Dynasty. 这种情况在我国古代诗词中有大量的记载。
4 DNA 4u3z1l     
(缩)deoxyribonucleic acid 脱氧核糖核酸
参考例句:
  • DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
  • Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
5 robins 130dcdad98696481aaaba420517c6e3e     
n.知更鸟,鸫( robin的名词复数 );(签名者不分先后,以避免受责的)圆形签名抗议书(或请愿书)
参考例句:
  • The robins occupied their former nest. 那些知更鸟占了它们的老窝。 来自《现代汉英综合大词典》
  • Benjamin Robins then entered the fray with articles and a book. 而后,Benjamin Robins以他的几篇专论和一本书参加争论。 来自辞典例句
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TAG标签:   英语听力  英语文摘  名人故事
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