摘要
Doyouknowthatevery14daysalanguagedies?Throughouthumanhistory,thelanguagesofpowerfulgroupshavespreadwhilethelanguagesofsmallercultureshavebecomeextinct.Asbiglanguagesspread,childrenwhoseparentsspeakasmalllanguageoftengrowuplearningthedominantlanguage.
出版日期
2011年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)