retard是什么意思及反义词

及物动词：

1.使减速；阻滞，妨碍；阻止

2.推迟，延迟

3.【机】使（点火）延迟

不及物动词：

减慢；受到阻滞

n.

1.减速，放慢；阻滞，障碍；延迟，耽误

2.【机】点火延迟装置

3.【忌】智力迟钝者

英语解释

a person of subnormal intelligence

slow the growth or development of

be delayed

cause to move more slowly or operate at a slower rate

lose velocity; move more slowly