impulsing power source

例句：

1. 1. The sudden urge to escapefrom the prison was overwhelming.
   突然想要逃离监狱的冲动是压倒性的。
2. 2. The teacher's words incited a senseof excitement among the students.
   老师的话激发了学生们的兴奋感。
3. 3. Thesudden urge to act quicklyled him to make a crucialdecision.
   突然想要快速行动的冲动让他做出了一个关键决定。