sub-,在下，normal,正常的。引申词义低能的。

1. She attended a school for the educationally subnormal.

她在一所智障学校上学。

来自柯林斯例句

2. He was born subnormal and will never learn to read.

他天生智力低下,永远无法学会阅读.

来自《简明英汉词典》

3. Every normal operator is trivially subnormal.

每一个正规算子显而易见地是次正规的.

来自辞典例句

4. Special activity is designed in the hospital to meet the needs of subnormal.

医院为满足弱智者的需要而设计了特殊的活动.

来自辞典例句

5. He was Born suBnormal and will never learn to speak.

他天生低能,学不会讲话.

来自互联网