餅干可數(shù)還是不可數(shù)

　　Rationing had put an end to a surfeit of biscuits long ago.

　　定量供應(yīng)很久以前就結(jié)束了餅干過(guò)剩的情況。

　　A medium-sized dog will devour at least one can of food plus biscuits per day.

　　一只中等大小的狗每天至少要干掉一罐食物外加餅干。

　　I put butter on the biscuits.

　　我把黃油涂在餅干上。

　　I ate all of the burned biscuits happily.

　　我高興地吃掉了所有燒焦的餅干。