【摘要】 母语磨蚀指的是移民中所发生的本族语水平逐渐下滑的现象。20世纪80年代,语言磨蚀成为语言学的分支研究领域。此后,语言磨蚀受到了越来越多的关注与研究。此文简要评析了母语磨蚀研究中有关磨蚀发生机制的各种假说,探讨了影响母语磨蚀的各种因素,提出只有开展大量的实证研究,才能弄清语言磨蚀的起因、过程与发生模式,才能有效地防止语言的磨蚀,促进语言系统的习得与保持。更多还原

【Abstract】 First language attrition refers to the deterioration of native language proficiency among emigrants.In the 1980’s,language attrition became a sub-field of linguistics.Since then,language attrition has received more and more attention from researchers.Reviewed in this article are various hypotheses about and variables in first language attrition.It is suggested that only by carrying out a large amount of valid research can one hope to really understand the causes,processes and patterns of language attrition,to effectively guard against language attrition,and finally to promote the acquisition and retention of language systems.更多还原