一杯牛奶是可数名词吗?

　　We've run short of milk.

　　我们牛奶不够了。

　　Blend the flour with the milk to make a smooth paste.

　　把面粉和牛奶调成均匀的面糊。

　　I am sorry that I forgot to buy the milk.

　　对不起，我忘了买牛奶。

　　Mix the flour with the milk to form a smooth paste.

　　把面粉和牛奶和成均匀的面糊。

　　She's milked a small fortune from the company over the years.

　　许多年来她揩公司的油，发了一笔小财。

　　He measured out a cup of milk and added it to the mixture.

　　他倒了一杯牛奶，掺了进去。