caving

caving

['keiviŋ]

n.洞穴探察, 崩落开采法, 塌落

例句与用法：

Caving means exploring the passages underneath the hills.

洞穴探险运动是指探察山中的通道而进行的活动。

He likes caving.

他喜欢洞穴探险运动。

An underground tunnel or passageway, as in a cave or one dug for military or mining purposes.

隧道，地道地下隧道或通道，如在洞穴内的或为军用、采矿而挖掘的地道

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n.

洞穴探察