1、You shouldn't be so childish; you're sixteen now!
你已经十六啦，别这么孩子气！
2、A very interesting one appears in Chapter sixteen where the cyclomemory is described.
特别有意义的是16章所介绍的`循环存贮器。
3、When boys get to the age of fifteen or sixteen they eat their heads off.
男孩子到了十五六岁的年龄，食量大得吓人。
4、By the later part of the sixteen hundreds, small hand-held camera OBSCURAS were commonplace.
到17世纪后半叶时，小的手提式暗箱已经很普通了。
5、The train was an elaborate affair of sixteen coaches.
这列火车由16节车厢组成，设计复杂精巧。
