Semantic change is the result of metaphorical mapping across conceptual domains. The sources of mapping are basic-level conception and imageschemas.
语义变化是隐喻在概念系统中跨范畴映射的结果，隐喻映射的来源是基本等级概念和意象图式。
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The paper tries to reveal some different imageschemas in the body metaphor to analyze the important status of imageschemas during the process of people's knowing the world.
Imageschemas can be used by readers as basic units to organize conceptual knowledge which serves as a scaffold for the reader to achieve an understanding of the target domain.