龙潭沟lóng tán gōulongtangouLongtan Ravine, scenic area in Xixia county 西峽縣|西峡县[Xi1 xia2 xian4], Nanyang 南陽|南阳[Nan2 yang2], HenanCharacters in this word沟ditch, drain, gutter, narrow waterway潭deep pool, lake龙dragonStudy it in Yanamino