dozen可数吗?

　　Only about half a dozen people turned up.

　　只有六七个人到场。

　　The company employs no more than a couple of dozen people.

　　这个公司顶多雇用了几十个人。

　　He has reversed himself on a dozen issues.

　　他已经不再坚持自己在一系列问题上的立场。

　　The soup was concocted from up to a dozen different kinds of fish.

　　这种汤是用多达十几种不同的鱼熬制而成的。

　　She was chatting away, nineteen to the dozen.

　　她没完没了地聊着。

　　This phrase comes from bakers' old custom of adding one extra loaf to an order of a dozen.