- prevent
 - [pri'vent, pri:-]
 - vt. 预防,防止;阻止
vi. 妨碍,阻止 
参考例子
           - 1.These rules are intended to prevent accidents.
 - 这些规则旨在防止事故发生。
 
- 2.Prevent brain damage caused by the injury.
 - 防止由大脑伤害造成的损伤。
 
- 3.How to prevent the attack before computer?
 - 怎样预防在电脑面前的攻击?
 
英文解释
           - v.
 - 1.keep from happening or arising; make impossible
 - 2.prevent from doing something or being in a certain state
 
网络释义
               - prevent
 - 妨碍; 防止; 预防; 阻止;
 
- Wash prevent
 - 防锈漆;
 
- Prevent pollution
 - 防污;
 
- Prevent Acess
 - 防止进入;
 
- prevent sunstroke
 - 避暑;