oligophrenia

n.=mental deficiency

智力低下、智商低下的状态。

名词

1. Oligophrenia is a condition characterized by significantly below-average intellectual functioning.
智力低下是一种智力明显低于正常水平的状况。

2. The child's oligophrenia has led to challenges in his academic performance.
这个孩子的智力低下导致他在学业表现上面临困难。