Ringby林比ringn.戒指；环；圈；拳击场；马戏场；帮派n.铃声；钟声；电话；口气v.包围；环绕；形成圈v.打电话；回响；鸣响；按铃；听上去ring network structure环式网络结构ring piston servomotor环形活塞继动器ring-plate capacitor环形电容器ring interface adapter环形接口适配器ringing tripping delay振铃切断时延ring cleavage reaction环破裂反应,开环反应ring spring draft gear环簧缓冲器ring induction furnace环式感应炉Ringelmann smoke chart林格曼煤烟浓度表ring for the attendant按铃叫服务员