biscuit是可数名词；
biscuit
n.饼干;松饼(食用时常佐以肉汁);淡黄褐色；
复数： biscuits；
例句：
He started to nibble his biscuit
他开始啃饼干了。
The Relationship Between the Quality Character of Soft Wheat and Biscuit Baking Property
软质小麦品质与饼干烘焙品质关系的研究
First, Al ate one biscuit, then he ate another.
埃尔先吃了一块饼干，然后又吃了一块。
Study on the biscuit with rich fiber of rice bran
米糠生产环已六醇高纤维米糠饼干的研制
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