Ringen.灵厄(在丹麦；东经 10º30' 北纬 55º14')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 introducer节育环放置器ring goniometer环形测向器ringoven method环炉法ring-off lamp拆线指示灯ringed subspace环式子空间ring connection环形接法,环状接法ring back cover环形封底ring of numbers数环ring spot virus环斑病毒ring shift left循环左移