暴风雨期间，我们在附近的一个洞穴里寻求庇护。

During the storm, we sought ___cover in a nearby cave.

在枪战中，平民们迅速躲在墙后寻求保护。

In the gunfight, the civilians quickly took ___cover behind walls.

军事基地提供了极好的防空保护。

The military base provided excellent ___cover from aerial attacks.