milk是不是可数名词

milk不是可数名词。
milk：n、牛奶;(牛或羊等的)奶;(人或哺乳动物的)奶，乳汁;(椰子等植物的)白色汁液，乳液。

I hope you haven't used all the milk、

希望你没有把牛奶都用掉了。

A skin had formed on the top of the milk、

奶上结了一层奶皮。

Would you like milk or cream in your coffee?

你的`咖啡里要牛奶还是奶油？

We took the milk run back home、

我们回家途中多次停留。

If you have any spare milk, could you give me a little?

你要是有多余的牛奶，给我一些好吗？