top /tɔp/ I. n. ［c］1.顶部；(物的)上面：at the top of this page这一页的上端。The table top was dirty. 桌面很脏。on top在最高处，在顶部；头上：a woollen hat with a bobble on top顶上带个绒线球的毛线帽Graeme's going a bit thin on top.格雷姆的头有点秃了。on top of 在…上面：That high mountain has a tower on top of it. 那座高山顶上有一座塔。 2.首位，最高位：He is at the top of his class. 他是班里的尖子生。from top to bottom 从上到下，完全地；全部地；at the top of… 在…的最高处；at the top of one’s voice (speed) 高声(以最大速度) ‖II. adj. 最高的put the book on the top shelf 把这本书放在最高的架子上；get top marks in the exam 考试中得最高分 ‖III. vt. 在…之上，覆盖；高过，超过：The record topped the charts (= sold the largest number of recordings) for five weeks.连续五周销售量最大。Our profits have topped ￡10000 this month.我们这个月的利润超过10000英镑。top up（给杯子等）加满；（给电话卡）冲值：Can I top you up while I’ve got the wine in my hand?酒在我手里呢，给你加满好吗？This is the easiest way to top up your mobile phone card.这是给你的移动电话卡冲值的最容易的方法。