IQ; intelligence quotient
Standard term for intelligence quotient; used in educational, psychological, and everyday contexts.
See also: 知能指数
His IQ is said to be very high.
Have you ever taken an IQ test?
I heard his IQ is very high.
The test judged his IQ to be low.
I had my IQ measured with a specialized test.
I took an IQ test at school last week.