过去二十多年中,西方应用语言学的研究重点有了很大转变。从侧重研究教材教法转到研究学习者的种种心理因素及其特点。近十年来,在这方面的研究中出现了一个新领域,即“过渡语”的研究。 In the past twenty years, the research focus of western applied linguistics has undergone great changes. From focusing on research teaching materials and methods to study the various psychological factors and characteristics of learners. In the past ten years, a new field emerged in the research of this field, namely, the study of “transitional language”.