Abstract:

This paper focuses on the analysis of complex and difficult sentences in high school English teaching based on discourse analysis,using aerospace engineering terminology as the research object.It analyzes the characteristics and teaching difficulties of such terminologies and innovatively proposes adaptive teaching strategies.By exploring the semantic density,grammatical structure,and domain relevance of aerospace engineering terminology,combined with discourse analysis theory,this study aims to optimize the teaching approach for complex and difficult sentences in high school English.The goal is to enhance students’ understanding and analytical skills in professional English,providing methodological references for high school English teaching practices.

Key words: discourse analysis, high school English, long difficult sentence analysis, aerospace engineering, scientific and technical terms