retard.

• (=retarded(delayed)) 延缓的，迟缓的

retard.的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 retard:

1. a person of subnormal intelligence

动词 retard:

1. cause to move more slowly or operate at a slower rate

2. be delayed

3. slow the growth or development of

4. lose velocity; move more slowly