single bud单芽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 action press单动压力机,单压头式压力机single hump mapping单峰映射single column punch单穿孔singleway rectifier半波整流器single point survey单点调查single-beam crane单轨起重机,单梁起重机single cut-length单切割长度single-pipe tower单管塔single private bank专用单触排,单辅助触排single table cipher单表密码