snap in cover

例句：

1. 1. The soldiers quickly snapped in their cover to avoid detection.
   士兵们迅速进入掩护以避免被发现。
2. 2. The car skidded and then slammed into the guardrail, causing the driver to snap into cover.
   汽车滑行并撞上了护栏，导致司机迅速进入掩护。
3. 3. The thief darted behind a bush and snapped into cover before the police arrived.
   小偷躲进灌木丛后迅速进入掩护，直到警察到来。