n.铸锭列车，锭模列车；v.（使…）在地上拖拉，慢吞吞地走，磨蹭( drag的第三人称单数 )；拖；打捞；（用鼠标）拖动 英英释义： drag[ drægz ]n.the phenomenon of resistance to motion through a fluid同义词：retarding forcesomething that slows or delays progress"taxation is a drag on the economy"; "too many laws are a dra