twelve-yearCOCA⁷⁷⁴²⁴BNC¹¹⁴⁰²⁴⁺⁵ 例句 As a twelve-year- old boy, he just picked up an agent number in the telephone book and sold himself like an adult. 他任意从电话本里挑了个经纪人的电话拨了过去，然后向对方大力推荐自己。 kekenet Often there were visitors like the twelve-year- old girl who, for a time, formed the habit of visiting him on her way home from school. 有一段时间，这个小姑娘养成了一个习惯：从学校回家的途中，总要往看看爱因斯坦。 xanr