mental age

mental-age的词性：
n.Abbr. MA, MA（名词）缩写 MA， MA

1. A measure of mental development as determined by intelligence tests, generally restricted to children and expressed as the age at which that level is typically attained.
智力年龄：由智力测验测定的智力发展水平，通常用于儿童，所达到的智力水平常以年龄的形式表现出来