Level 6 · word 14,337 of 20,000

retardation

/ˌriːtɑːrˈdeɪʃən/ American
  • n. 延迟, 迟缓
Definition
  • n. a delay in, or slowing down of, a process
Example
The doctor explained that the illness caused a slight growth retardation in children.
医生解释说,这种疾病会导致儿童生长发育轻度迟缓。