This can be simply an area of damper soil, if the enclosure is large enough, or a humid hide-box or cave.

如果饲养环境足够大时，只需要增加一个比较潮湿的泥土区域，或一个潮湿的遮蔽处或洞穴。

youdao

The surrounding region is turning out to be a treasure trove for archeologists, anthropologists and speleologists, or cave explorers.

VOA: standard.2009.12.14

You'll hear maybe later about, or maybe you've already about Milgram and maybe Asch conformity and maybe Robber's Cave.

可能不久后，你们将会接触到，可能已经知道心理学家米尔格拉姆,阿施“权威服从”实验,盗贼洞穴心理实验。

耶鲁公开课 - 心理学导论课程节选

You can hold up in a cave or somewhere and do this.

这样找个洞穴也能进行。

普林斯顿公开课 - 人性课程节选

The real challenge is for the leader to become aware of his or her own cave first.

FORBES: Ancient Advice for Today's Sustainability Leaders

All of this is known by everybody unless they are living in a cave or have been off fishing for the last year or more.

FORBES

Instead of dispatching a young soldier to probe for a mine or search a cave, a commander these days often sends in a small robot.

WSJ: In the Afghan War, a Little Robot Can Be a Soldier's Best Friend