爆米花是可数名词还是不可数名词

　　I'll put some popcorn in the microwave.

　　我要往微波炉里放些爆米花。

　　Jeff can bring potato chips and popcorn.

　　杰夫会带土豆片和爆米花。

　　We bought three bags of popcorn and three sodas.

　　我们买了三份爆米花和三瓶汽水。