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约翰克里斯多夫的英文简介

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约翰克里斯多夫的英文简介
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John Christopher Wells,MA (Cantab),Ph.D.(London) (born March 11,1939 in Bootle,Lancashire),is a British phonetician and Esperanto teacher at University College London,where until his retirement in 2006 he held the departmental chair in Phonetics.He is a member of a five-person academic advisory committee to Linguaphone.
His father was originally from South Africa,and his mother was English; he has two younger brothers.After a childhood in poverty,he studied languages and he taught himself Gregg Shorthand.Having learned Welsh,he was interviewed in Welsh on radio; he has a reasonable knowledge of ten different languages.He was apparently approached by the Home Office to work on speaker identification,but turned down the offer as it was still considered unacceptable to be homosexual at the time and he feared that the security check would make his homosexuality public.
He is best known for his book and cassette Accents of English,the book and CD The Sounds of the IPA,Lingvistikaj Aspektoj de Esperanto and the Longman Pronunciation Dictionary.He is the author of the most widely used English-Esperanto dictionary,and is also the inventor of the X-SAMPA ASCII phonetic alphabet.During the summer,Wells directs a two-week course which focuses on practical and theoretical phonetics as well as aspects of teaching phonetics.The course ends with written and oral examinations,for which the IPA Certificate of Proficiency in the Phonetics of English is awarded.A considerable part of Wells's research focuses on the phonetic description of varieties of English.From 2003 to 2007 he was president of the International Phonetic Association.
Wells was president of the World Esperanto Association (UEA) from 1989 to 1995.He is currently the president of the Esperanto Association of Britain and since 2007 has been president of the Esperanto Academy.