试题题干
（）or amelioration refers to the process by which words rise from humble beginnings to positions of importance.
参考答案
正确答案：
试题解析
词意的升格（或改良）指词语从一开始的卑微的地位提升到重要地位的过程。
（）or amelioration refers to the process by which words rise from humble beginnings to positions of importance.
词意的升格（或改良）指词语从一开始的卑微的地位提升到重要地位的过程。