Complete the following statements with proper words or expressio

Complete the following statements with proper words or expressions according to the course book. ​Word-meaning changes by modes of extension, narrowing, degradation, elevation and ( ).
【正确答案】：TRANSFER
【题目解析】：词义变化有词义的扩大、词义的缩小、词义的降格、词义的升格以及词义的转移。