柯林斯詞典mental age (mental ages) 1. N-COUNT A person's mental age is the age which they are considered to have reached in their ability to think or reason. 智力年齡[usu sing] 返回 mental age劍橋詞典A person's mental age is a measurement of their ability to think when compared to the average person's ability at that age . 智力年齡；心理年齡 Although Andrew is 25, he has a mental age of six. 雖然安德魯已經(jīng)25歲了，但智力年齡只有6歲。 返回 mental age