Ringh林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 accelerator环加速器ring shaped core环形铁心ring--piston缸套-活塞环ring wheel chuck三爪卡盘ring dynamometer环形拉力表ringing position呼叫位置ring multivalent环状多价体ring of quotient商环ring back signal回铃信号ring transformer环形变压器