美[ˈtrɪɡɚ] 1 . Stress may act as a trigger for these illnesses.
压力可能会成为引发这些疾病的原因。
来自柯林斯例句
2 . A man pointed a gun at them and pulled the trigger . 一名男子拿枪指着他们，接着扣动了扳机。来自柯林斯例句3. They were gunned down by members of the trigger -happy National Guard.
他们被那些肆意开枪的国民卫队士兵枪杀了。
来自柯林斯例句
3 . Unresolved or unacknowledged fears can trigger sleepwalking.
残留在心里的或不为人知的恐惧都可能引发梦游。
来自柯林斯例句
4 . A wide range of emotionally stressful events may trigger a relapse.
多种令人情绪紧张的事情都可能引起旧病复发.
来自《简明英汉词典》
1.lever that activates the firing mechanism of a gun
2.a device that activates or releases or causes something to happen
3.an act that sets in motion some course of events
1.put in motion or move to act;
trigger a reaction
2.release or pull the trigger on;
Trigger a gun
触发器（trigger）是个特殊的存储过程，它的执行不是由程序调用，也不是手工启动，而是由事件来触发，比如当对一个表进行操作（ insert，delete， update）时就会激活它执行。触发器经常用于加强数据的完整性约束和业务规则等。 触发器可以从 DBA_TRIGGERS ，USER_TRIGGERS 数据字典中查到。
