single tee三通管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-quantum well单量子阱single firing process一次烧成工艺single barrier option单障碍期权Single-cell imaging单细胞成像Single disease charge单病种收费single echo detection单回波检测single hydraulic prep单体支柱single extended shaft单向外伸轴single-seed descent一粒传法single station method单站法