翻译有关旋塘的一句话

Beneath the swirling pool there is a huge and deep funnel at the bottom of which there is a underground river connecting the water system of the lower reaches which forms a suction of the water in the swirling pool，then an ever-lasting rotation of the swirling pool is formed by the thrust when water pours in and the suction from the water system of the lower reaches .

As Xuan Tong at the bottom of a large and deep funnel, the funnel at the bottom of the Underground River and the lower reaches of the river system connectivity, Tang Li Xuan produced a body of water a suction, water thrust into the stream and downstream of the suction Tong Xuan , Leading to Xuan Tong Qianwannianlai kept rotating