speleology meaning in English
n.
洞穴学。
n.
-gist
Examples
- Other sports activities are mountaineering , hiking , canyoning , speleology , mountain - biking , archery , climbing , rappel on rock and on bridge , skiing on stones , kayak and rafting on rivers of the surrounding area
其他体育运动有在周围地区的登山、远足、峡谷穿越、探洞、山地骑行、射箭、攀岩和速降（在山岩或桥上） 、滑石、划艇和漂流。