single mom单身母亲singleadj.单一的；单个的；特指某人或某物；单身的；单人的；单程的n.单程票；单曲；单人房间；单身者；<美>一元纸币；(网球)单打比赛；(板球)一分打；(棒球)一垒打v.挑选(一个)Single immunediffusion琼脂免疫单扩散single neuron modeling单神经元模拟 单神经原模拟single-step reaction一步反应single-spiral feeder螺旋给矿机,螺旋给料机single bucket elevator单斗提升机single-block mineral单矿物single conductor cable单芯电缆single overload effect单峰过载效应single-sided hot bed单面冷床single cluster feature单群集部件

1. To use a single currency will make the calculation much easier.
   用单一货币使换算容易多了。
2. On membership of the single currency, the Government's policy is unchanged.
   作为单一货币的成员国，英国政府的政策始终如一。