1 [C,U] (a) variation (in sth) a change or difference in the amount or level of sth 差异；差别；出入: There was a lot of variation in the examination results. 考试成绩的差异很大。There may be a slight variation in price from shop to shop. 各家商店的价格可能略有差异。

2 [C] a variation (on/of sth) a thing that is slightly different from another thing in the same general group 变异；变奏: All her films are just variations on a basic theme. 她所有的电影都不过是源自一个基本的主题略加变异而已。