biscuit可数。biscuit作为名词，是可数名词，基本含义为“饼干”、“松饼”、“淡黄褐色”，引申义为“竟然做出这种愚蠢、粗野的事情”，复数形式是直接加s，即biscuits。

biscuit作为可数名词，意为饼干;松饼(食用时常佐以肉汁);淡黄褐色；（强调吃惊）竟然做出这种（愚蠢、粗野或自私的）事情。例句有：

1、They ate the packet of biscuits all in one go.

他们一下子把那包饼干全吃光了。

2、These biscuits are great favourites with the children.

孩子们特别喜欢这种饼干。

3、The greedy pig's eaten all the biscuits!

那个馋猫把饼干都吃光了！

4、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。

5、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。

6、On a plate in front of him was piled a pyramid of flat white biscuits.

在他面前的盘子上有一摞摆成金字塔形状的白色薄饼。

7、Bake the biscuits for 20-25 minutes, until the tops are lightly browned.

把饼干烤20到25分钟，直到表面略呈棕色。

8、The biscuits she baked turned out to be as hard as rock.

她烤的饼干结果像石头一样硬。

9、He is a greedy boy, he ate all our biscuits.

他是个贪吃的孩子，他把我们的饼干都吃了。

10、Then he will serve you snacks like biscuits or candy.

然后他会给你提供饼干或糖果之类的零食。

11、I've got plenty of time to get ready... Biscuits! Oh!

没事呀，我有大把时间准备……饼干！

12、I learned how to make a damn good biscuit recipe.

我学到的是如何做好吃的饼干。