- retard
 - [ri'tɑ:d]
 - vt. 延迟;阻止;妨碍;使减速
vi. 减慢;受到阻滞
n. 延迟;阻止 
反义词
           
       参考例子
           - 1.Shortage of labour power retarded our economic development.
 - 缺乏劳动力使我们的经济发展速度减慢。
 
- 2.They also used it for sunburns and to retard the aging process.
 - 他们还用它来防治日光灼伤,以及延缓衰老过程。
 
- 3.Woods on a slope below an orchard may retard movement of cold air downward.
 - 如坡地果园的下方有森林容易阻碍冷空气向下排出。
 
英文解释
           - n.
 - 1.a person of subnormal intelligence
 - 2.slow the growth or development of
 - 3.cause to move more slowly or operate at a slower rate
 - 4.be delayed
 - 5.lose velocity; move more slowly
 
网络释义
               - retard
 - 听起来象烟鬼的人; 减速; 阻碍; 延迟;
 
- retard angle
 - 滞后角;
 
- heparin retard
 - 延缓性抗凝血素;
 
- retard chamber
 - 延迟器<一种容积式装置; 延迟器;
 
- retard coil
 - 减速分流线圈;