求翻译：云龙河地缝曾是云龙河的伏流段，以暗河形式沉睡地下二、三千万年，后因水流在地下强烈掏蚀，在地表不断剥蚀、致使暗河顶部坍塌，地缝才得于面世，成为恩施大峡谷一大奇观。是什么意思？

Yunlonghe to sew the underground stream was Yunlonghe section to the form of sleeping underground river two or three thousand years, after a strong dig in the ground due to water erosion, continued erosion at the surface, resulting in the collapse of the top underground river, only to have to sew av

315137 315137 River in sewing was the river flows, with a hidden river paragraph Form 2, ground floor sleeping after 30 million years, strong currents in the ground on the surface erosion, and fumbles constantly crumbling, resulting in hidden river collapsed at the top, only to sew on to the Grand C

The cloud dragon river crack once was cloud Long He bends down flows the section, by underground river form deep sleep underground two, 30,000,000 years, because latter the current of water in underground pulls out the eclipse intensely, flattens unceasingly in the surface, causes the underground ri

Yunlong River joint yunlong Volt flow of the River was, in the form of underground river ground floor, sleeps 20 million or 30 million years, due to water flow in the ground after strong undercut, degradation, resulting in surface ever underground River collapsed at the top, seam to launch become a

Yunlong River joint yunlong Volt flow of the River was, in the form of underground river ground floor, sleeps 20 million or 30 million years, due to water flow in the ground after strong undercut, degradation, resulting in surface ever underground River collapsed at the top, seam to launch become a