improvement是可数名词吗

不可数,例如：
The article struck a pessimistic note; it suggested there would be no improvement.
那篇文章不甚乐观,暗示将无改进.
The humanitarian scientist called on the improvement of the poor's living condition.
这位人道主义科学家呼吁改善穷人的生活条件.
I see little prospect of an improvement in his condition.
我看他的情况没有什麽改进的希望.
There's been an overall improvement recently.
近来各方面都有所改进.
The Dow Jones industrials,ahead10 points early in tandem with further improvement in bond prices,ended off13.59 at1,944.63.
道·琼斯工业股早先随着公债价格提升而上涨10点,最后以1944.63收盘,下降13.59.
This essay represents a considerable improvement on your recent work.
这篇论文说明你最近的工作取得了相当大的改进.
We all hope for an improvement in the weather.
我们都希望天气好转.
There is need for improvement in your handwriting.
你的书法需要改进.