1. Ecology is a subdiscipline of biology that focuses on the study of interactions among organisms and their environment.
生态学是生物学的一个子学科，专注于研究生物体与其环境之间的相互作用。
2. Linguistics, as a subdiscipline of language studies, analyzes the structure and usage of languages.
作为语言研究的一个子学科，语言学分析语言的结构和使用。