语义复制 ,或称xy或yx结构 ,是语义学领域里一个很有价值的新概念。它可以用来解释许多在以往的理论框架下得不到合理解释的语言现象。语义复制一说在英语教学领域里也有较大的应用价值。它有助于我们重新认识英语学习者常犯的一些错误 ,从而提高我们在教学中的针对性 Semantic replication, or xy or yx structure, is a valuable new concept in the field of semantics. It can be used to explain many of the linguistic phenomena that can not be reasonably explained under the previous theoretical framework. Semantic replication that in the field of English teaching also has greater application value. It helps us to re-recognize some of the mistakes that English learners often make to improve our relevance in teaching