【摘要】 在外语教育领域，语言迁移问题一直备受关注。近年来随着二语习得研究向三语和多语习得的转向，三语迁移问题也成为三语习得研究中国内外学者关注的焦点之一，因此有必要对现有研究进行回顾总结。从语言迁移的定义、三语迁移的表现、迁移来源、影响迁移的因素四个方面对国内外既往研究进行梳理评述，在此基础上分析现有研究的不足，并对未来研究方向提出建议，以期为三语研究和三语教育提供参考。更多还原

【Abstract】 Language transfer has long been a heated topic in L2 acquisition. With the research turning from L2 acquisition to L3 and multilingual acquisition in recent years, L3 transfer has accordingly evolved into one of the foci in this field, and therefore a review is needed. This paper first reviews the definition change of language transfer, the four aspects of L3 transfer and factors in L3 transfer, and then against this backdrop, the weaknesses of existing research are discussed and directions for future research are suggested. It is expected to be of help for L3 acquisition research and L3 teaching practice.更多还原