improvement可数吗

improvement是不可数名词，意思是改进、改善、提高。

例句

There has already been a definite improvement.

已经有了显著的改善。

Your work has shown a significant improvement.

你的工作有了显著改进。

Her work is showing some signs of improvement.

她的工作出现了一些改进的迹象。

An improvement in living standards could be years away.

生活水平的提高可能还要几年。

We expect to see further improvement over the coming year.

我们期望来年会有更进一步的改善。

CBS\'s ratings again showed huge improvement over the previous year.

哥伦比亚广播公司的收视率比过去的一年又有了大幅提高。