chronological age

• n. [心]实足年龄(用途测定智商的数据)；实龄

英英释义

Noun:

1. age measured by the time (years and months) that something or someone has existed;

   "his chronological age was 71 years"
   

例句

用作名词 (n.)

1. The ratio of a person's mental age to their chronological age.
   人的实足年龄和其职能年龄的比率。