果醬是不是可數名詞

Heat the jam until it liquefies.

加熱果醬直至其液化。

I had two jam sandwiches.

我吃了兩個花生醬果醬三明治。

The bus was delayed in a five-mile jam.

公共汽車因長達五英里的`交通堵塞而延誤。

Skim the scum off the jam and let it cool.

撇去果醬上的浮沫，讓它冷卻。

"Sorry Edward," I said, splattering the cloth with jam.

“對不起，愛德華，”我説道，把果醬濺到了桌布上。