Elizabeth Osbourne: Look at your life.You've never been able to stick to a decision.I mean, 10 years of college and not a single degree. 伊丽莎白：看看你自己，你从没坚持过什么决定，我是说，你念了10年大学还没得到文凭。
The piecewise cubic Hermite interpolation and cubic spline interpolation were introduced into the analysis of a free beam traversed by a single degree of freedom spring-mass system. 在分析目前常用的非圆齿轮滚齿插补方法不足的基础上,采用三次样条来拟合非圆齿轮的节曲线,进而提出了数控滚齿的一种插补方法。
The letter was written on a single sheet of paper. 这封信只用一张纸写成。
He got over the stream with a single leap. 他一跃就跳过了小溪。
The bridge crosses the river in a single span. 河上那座桥是单跨桥。
Do you want a single or a return ticket? 你要单程票还是往返票?