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 the bells backwardsvi.敲警钟(报警)
ring-spun woollen yarn环锭粗纺毛纱
ring with double grooves双沟套圈
ring-shaped workpieces环形零件
ringing oscillator panel铃流发生器盘
ring-to-ring voltage滑环间电压
ring-chain tautomerism环-链互变异构
ring energy accumulation环状聚能
ring structure iron core环型铁芯
Ringelmann's smoke chart