![Languageshavebeencomingandgoingforthousandsofyears,buti...]( "Languageshavebeencomingandgoingforthousandsofyears,buti...")
- 问题详情：Languageshavebeencomingandgoingforthousandsofyears,butinrecenttimestherehasbeenlesscomingandalotmoregoing.Whentheworldwasstillpopulatedbyhunter-gatherers,small,tightlyknit(联系)groupsdevelopedtheirownpatternsofspeechindependentofeachother.Som...
- 32049
中文谷