singlehoodn.单身；未婚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-strand drag conveyer单线输送机,单路拖运机single roller melt-spinning单辊旋铸single crystal diffractometer单晶衍射计single-electron ring memory单电子环形存储器single-cylinder test engine单缸试验装置Single-double layer winding单双层绕组single-phase watthour meter单相电度表single sensor target tracking单站目标跟踪single action hydraulic Bucky单向液压布凯滤线栅single chip computer teaching高职单片机教学