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
A study on the technique conditions was presented for hydrolysisof scallop skirt using mixed enzymes and the hydrolyzing effects were compared with those using single enzyme. 研究了混合酶水解扇贝边蛋白质的技术条件，并和单酶水解情况进行了比较。
