Describing extremely steep terrain where, when looking down from a great height, one cannot see the bottom; bottomless.
站在山顶边缘，俯瞰深谷，只见云雾缭绕，下临无地，令人心生敬畏。
Standing on the edge of the mountaintop, overlooking the deep valley, one sees only swirling clouds and a seemingly bottomless abyss, evoking a sense of awe.
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