Fossilization in interlanguage is an unavoidable and universal phenomenon in sla .

中介语的石化是二语习得中一种不可避免的现象。

Fossilization in inter-language is an unavoidable and universal phenomenon in sla .

中介语的僵化是二语习得中一种不可避免的现象。

As an important concept in sla , interlanguage fossilization is an inevitable phenomenon in the process of foreign language learning .

摘要中介语石化作为二语习得的重要概念，是外语学习过程中不可避免的现象。

After reviewing the respective positions of positivism and relativism , the paper expounds the future developments in sla theory construction .

本文在对实证主义与相对主义各自的主要观点进行综述的基础上，探讨未来二语习得理论建构的发展趋势。

Affective factors , including confidence , motivation , anxiety , will , and etc. , are seen to be one of important elements in sla .

情感因素是二语习得中的重要因素之一，它包括自信心、动机、焦虑、意志等。