the average mental attainment of each year of a child's growth, used as a unit of measurement of mental development.
| 单词 | θ122792 |
| 释义 | the mind > mental capacity > psychology > developmental psychology > [noun] > degree of mental development > at each year of growth (1) mental year1919 the average mental attainment of each year of a child's growth, used as a unit of measurement of mental development. |
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