retardation
noun /ˌriːtɑːˈdeɪʃn/
/ˌriːtɑːrˈdeɪʃn/
[uncountable] (formal)- the fact of making the development or progress of something slower
synonym delay (2)阻碍;减缓;使放慢速度 - Many factors can lead to growth retardation in unborn babies.
许多因素可以导致胎儿发育迟缓。
- Many factors can lead to growth retardation in unborn babies.