reading age
noun /ˈriːdɪŋ eɪdʒ/
  /ˈriːdɪŋ eɪdʒ/
- a person’s ability to read, measured by comparing it with the average ability of children of a particular age阅读年龄;某一年龄段的阅读能力 - a 30-year-old man with a reading age of eight阅读能力相当于八岁儿童的 30 岁男子 
 
- a 30-year-old man with a reading age of eight