Polysemy is realized on the basis of image schema by the means of metaphor and metonymy, and it expands from the basic meaning to the extended meanings, with those extended meanings having close relations with each other.

• 一词多义现象是在一定的意象图式的基础上，借助隐喻和转喻模式实现的，是由基本词义向其它词义的引申，而且多义词各义项之间相互关联。