His research areas involve sociolinguistics, discourse analysis, and teaching of the English language.

研究课题涉及社会语言学、语篇分析，英语语言教学等领域。

youdao

His research areas involve sociolinguistics, discourse analysis, and teaching of the English language.

研究课题涉及社会语言学、语篇分析，英语语言教学等领域。

youdao