ethnolinguistics

例句：

1. 1.Ethnolinguistics is a field of study that focuses on the relationship between language and culture.
   民族语言学是一门专注于语言与文化关系的学科。
2. 2. The ethnolinguistics department at the university is responsible for studying the evolution of languages across different cultures.
   大学的民族语言学系负责研究不同文化背景下语言的演变。
3. 3. In this research, we will explore the impact of language on ethnic identity and how it shapes socialinteractions.
   在这一研究中，我们将探讨语言对民族身份的影响以及它如何塑造社会互动。