被困的登山者在山洞里靠少量食物和水维持了五天。

The trapped climbers ___subsisted on minimal food and water in the cave for five days.

在荒岛上，他们靠捕鱼和椰子维持生存。

On the deserted island, they ___subsisted mainly on fish and coconuts.

在战争期间，许多难民仅靠面包和水维持生存。

During the war, many refugees ___subsisted on bread and water.