pie是不是可数名词

　　I added a dollop of vanilla ice cream to the pie.

　　我在馅饼中加了一块香草冰淇淋。

　　Freda heated up a pie for me but I couldn't eat it.

　　弗雷达为我热了一块馅饼，可我不能吃。

　　Norman cut open his pie and squirted tomato sauce into it.

　　诺曼切开他的馅饼，往里面挤了番茄酱。

　　When assembling the pie, wet the edges where the two crusts join.

　　包馅儿饼的时候，要把两张馅饼皮捏合的地方弄湿。