柯林斯词典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. 智力年龄[usu sing] 返回 mental age剑桥词典A person's mental age is a measurement of their ability to think when compared to the average person's ability at that age . 智力年龄；心理年龄 Although Andrew is 25, he has a mental age of six. 虽然安德鲁已经25岁了，但智力年龄只有6岁。 返回 mental age