retarded

adj.

智力迟钝的；智力发育迟缓的；

v.

使减速(retard的过去式和过去分词)；妨碍；阻碍（某人/某事物）的进步或发展；

mentally retarded智障；智力迟钝

1. The parents was anxiousabout their retarded son.
   这对父母为他们的弱智儿子担忧。
2. He invested a lot of time in trying to help retarded children.
   他把大量时间化在设法帮助弱智儿童上。

Phase space for retarded equations with infinite delay
Social interactions of autistic, mentally retarded and normal children and their caregivers.
MRI volumes of amygdala and hippocampus in non–mentally retarded autistic adolescents and adults
New Lyapunov–Krasovskii functionals for stability of linear retarded and neutral type systems ☆
A null mutation at the c-jun locus causes embryonic lethality and retarded cell growth in culture.
Regulating peptide-containing pharmaceutical preparations with retarded release, and process for their preparation
Pulmonary β-adrenergic receptors and response do not mature precociously in growth-retarded rabbit fetuses
The dynamic assessment of retarded performers: The Learning Potential Assessment, Device, theory, instruments and techniques by Reuv...
Array-CGH detection of micro rearrangements in mentally retarded individuals: clinical significance of imbalances present both in af...
Hepatic ductular hypoplasia associated with characteristic facies, vertebral malformations, retarded physical, mental, and sexual de...