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 hydrophone环形水听器
ringed tracheid环纹管胞
ringspot viruss环斑病毒
ring off system话终振铃制
ring of bearing轴承套圈
ring laser gyro环状激光陀螺
ring type seals圆环式密封装置
ringing battery振铃用电池