环形母线
[电]环形总线
ring ring───戒指
ring───n.戒指；环状物；圆形；圆形竞技场（或表演场）；炉口；（非法的）团伙；铃声；（鸟的）腿环；行星光环；环形护城工事；肛门；围成一圈的人（或物）；感觉；n.(Ring)（美、挪、德、爱、英、波、丹）林（人名）；v.打电话；发出铃声；回响；充满；嗡嗡作响；（通过按铃）要求服务；听上去（有某种印象）；报（时）；包围；圈起来
bus───vt.乘公共汽车；n.公共汽车
ring false───凭音响判断是假钱
installed ring───安装环
sconce ring───壁灯环
benzene ring───[有化]苯环
kyanite ring───蓝晶石环
ring-shaped───adj.环形的；环状的；圆形的
you ring up the bus company?───你给公共汽车公司打个电话好吗？
Bel-Air for the residents to residents free of charge on the ring bus service, the predecessor of the new bus line M49 line and auxiliary line in the vicinity of the Cyberport low patronage.───沙湾为居民提供前往上环的免费居民巴士服务，本线前身新巴M49线及其辅助线在数码港一带的乘客量偏低。
Every day we jump out of bed with the earsplitting ring of the alarm-clock, swallow a quick breakfast and then rush to catch the bus.───每天我们闹钟一响就起床，迅速地吞下早餐后就去赶公交车。
Topology: The different configurations that can be adopted in building networks, such as a ring, bus, star or meshed.───网络拓扑：网络建立的形式，例如环状、总线型、星型或网状。
Bel-Air for the residents to residents free of charge on the ring bus service, the predecessor of the new bus line M49 line and auxiliary line in the vicinity of the Cyberport low patronage.