The majority of tombs are small in size, and earth pit or cave in shape.

墓群以小型土坑墓为主，并有少量土洞墓，中型墓均为砖室或石室墓。

youdao

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

A natural opening, as the part of a stream or river that empties into a larger body of water or the entrance to a harbor, canyon, valley, or cave.

河口一个自然形成的开口，作为溪流或河水的一部分，可通过此口流入更大的水域或港湾、峪或洞的入口。

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