doline
n. 落水洞,[地理] 斗淋
例句
The largest doline or karst funnel of Dashiwei is situated at the karst slope zone of the northwest Guangxi in the southern of Yunnan and Guizhou plateau.
大石围大型岩溶漏斗位于云贵高原南缘的桂西北边陲的岩溶斜坡地带。