salad什么時候是可數(shù)名詞

　　例句：

　　On the menu is wiener schnitzel and potato salad.

　　菜單上有維也納炸小牛排和土豆沙拉。

　　I decorated the fruit salad with a sprig of mint.

　　我用小薄荷枝裝點(diǎn)水果色拉。

　　She picked up the bag of salad and gave it a shake.

　　她拿起了那袋沙拉搖了搖。