Ringann.林根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 -shaped core环形磁心ring standard gauge标准环规ring bells backwardvi.敲警钟(报警)ring-rolling mill环形材轧机ring current method环流法ring the changes on以不同的方式ring shift register环形屏蔽ring slot parachute环缝降落伞ring with operators算子环ring die push bench环形模顶管机