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
The supply of electricity is foreseen as a single line supply for a safe shut down of the plant in the case of black out on the main supply. 单线电力供应是为了确保在主供应线中断的情况下设备的安全关闭。