研究课题涉及社会语言学、语篇分析，英语语言教学等领域。
His research areas involve sociolinguistics, discourse analysis, and teaching of the English language.
主要研究领域为社会语言学和语言规划学。
His research concentrates on sociolinguistics and language planning.
什么样的英语?社会语言学和语言教学。
语言认同是近年来社会语言学领域的热门话题。
Language identity is a new hot topic in area of sociolinguistics in recent years.
言语社区理论是社会语言学的重要理论。
Speech community theory is an important theory in sociolinguistics.
言语社区理论是社会语言学的重要理论。
Speech community theory is an important theory in sociolinguistics.
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