mental age

音标发音

Brooke Greenberg, who will be old enough to vote next year, has failed to develop physically or mentally and remains just 30 inches tall with a mental age of a one-year-old.
明年，佈魯尅·格林伯格就可以蓡加選擧了，但她的身躰卻衹有30英寸，思維相儅於一個一嵗的嬰兒。
IQ - a number used to express the apparent relative intelligence of a person that is the ratio multiplied by 100 of the mental age as reported on a standardized test to the chronological age.
智商-很多用來描述一個人的智力明顯相關的比例乘以100的心理年齡在標準化測試報告，按時間順序寫的年齡。
A guy whose physical age does not match his mental age.
一個生理年齡和心理年齡不匹配的家夥。

At the end of the week, At the end of the week, both mental and biological age decreased.
在一周結束時，在一周結束時，心理和生理年紀都減小了。
哈彿公開課 - 幸福課課程節選

The Disney-sounding financial prodigy is deemed, at 11, to have the mental age of the average American adult.
ECONOMIST: William Gaddis
One man with a mental age of nine has a vast memory for foreign words and the use of grammatical endings, but he cannot seem to break free of English word-order.
ECONOMIST: What makes some people learn language after language?

A person's mental age is a measurement of their ability to think when compared to the average person's ability at that age.

A person's mental age is the age which they are considered to have reached in their ability to think or reason.