Prepositional polysemy is regarded as the result of image-schema transformations and metaphorical mappings based on a protoscene and polysemy is also the key issue of sense division and arrangement in lexicographic practice .

介词多义现象是以原型意义为核心，凭借意象图式的转换和隐喻投射等认知手段不断引申扩展的结果；多义性亦是词典义项划分和义项排列的核心问题。