vt.拖拽；吃力地往前拉；拖地而行；vi.沿地面拖动；落后；缓慢前进；打捞n.拖，拉；累赘；阻力； 变形： 过去式：dragged过去分词：dragged现在分词：dragging第三人称单数：drags 双语释义：v.(动词)vt. 拖,拉,拽 pull sb/sth along with effort and difficultyvi. 慢吞吞地走,磨蹭; 进行过久 move slowly and with effort; go on too longvi. & vt. (使…)在地上拖拉 (caus