敌军在黎明时分发动了闪电战，摧毁了多处防御工事。

The enemy launched a ___blitz at dawn, destroying several defense positions.

学校组织了一场学习突击活动来帮助学生备考。

The school organized a study ___blitz to help students prepare for exams.

防守队员执行了一次闪电突袭，成功拦截了对方的四分卫。

The defense executed a quick ___blitz to sack the quarterback.