Therearearound6000li的甄选

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 Therearearound6,000livinglanguagesintheworld—andatleas...

 Therearearound6,000livinglanguagesintheworld—andatleas...

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问题详情: Therearearound6,000livinglanguagesintheworld—andatleasthalfoftheseareindanger.Ineverypartoftheworld,languagesaredisappearing.Infact,onescientisthassaidthatlanguagesareinmoredangerofextincti...