single adj.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；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)
双语例句
Dr Shields's photon detector, however, permits cryptographers to use a phenomenon called quantum entanglement to make a repeater that does not destroy quantum states. 史立德博士的光子探测器允许密码器利用一种叫量子纠结的现象来建立中继器，而又不破坏量子形态。
