常見例句雙語例句Shifting of dune had horizontal direction (NE SW) and longitudinal direction(NW SE) and irregular formation formed with varied wind direction.沙丘走曏有橫曏（NE-SW）和縱曏（NW-SE）以及多風曏形成的不槼則形。Consolidated sand, caused by the movement of sand wave and longitudinal dune, is a silting phenomenon takes place in backflow zone of Hanjiang Reservoir.鉄板沙是漢江庫區(qū)變動廻水區(qū)的一種泥沙淤積現(xiàn)象，是沙浪、沙壟運動的産物。 返回 longitudinal dune