饼干biscuits是可数名词。
biscuits：n.饼干；松饼(食用时常佐以肉汁)；淡黄褐色
相关介绍
Rationing had put an end to a surfeit of biscuits long ago.
定量供应很久以前就结束了饼干过剩的状况。
We used to nick biscuits from the kitchen.
以前我们常到厨房偷饼干吃。
I handed over my secret store of chocolate biscuits
我交出了自己偷偷藏起来的巧克力饼干。
