on the top of1.在……之顶部;在……之上:That old castle was built on the top of a precipice so that it was very difficult to approach.那古堡建筑在悬崖绝壁的顶部,所以很难走到它的近前。2.此外;加之:He paid tuition fee for the poor child and on the top of that,he also gave him some money to buy books.他给那贫穷的孩子交学费,除此之外,他还给他一些钱买书。 |