战争期间，人们在地堡中寻求安全。

During the war, people sought safety in a bomb ___shelter.

暴风雨来袭时，我们在坚固的掩体中避难。

When the storm hit, we took refuge in the sturdy ___shelter.

徒步者找到了一处岩洞躲避突如其来的暴雨。

The hikers found a rocky ___shelter to wait out the sudden downpour.