contribution可数吗贡献

contribution它作抽象概念“贡献’讲解时，是不可数名词，不用复数，但是可以使用不定冠词a，表示一次性的行为。make a contribution to...这个短语的含义就是对......作出贡献。

Their contribution was of great worth.

他们的贡献具有伟大的意义。

They may define their contribution too narrowly.

他们可能把他们的贡献说得太狭隘了。

I had no intention of depreciating your contribution.

我并不想贬低你的贡献。

I was sent a free copy in acknowledgement of my contribution.

我收到一本赠刊，表示对我投稿的谢意。

I don\'t wish to diminish the importance of their contribution.

我并不想贬低他们所作贡献的重要性。