dredge

v. 用挖泥机疏浚，疏通

dread, dreadful, dreadfully, dreadfulness, dreadlocks, dreadnought, dream, dream of, dream up, dream world, dream-land, dreamer, dreamily, dreaminess, dreamless, dreamlike, dreamy, drearily, dreariness, dreary, dredger, dregs, drench, drenching, dress, dress rehearsal, dress uniform, dress up, dress up as, dress-circle, dress-shirt, dressage, dresser, dressing, dressing down, dressing table, dressing-gown, dressing-room, dressing-table, dressmaker,