n.

1. 贡献[C][U][（+to/towards）]
   The invention of paper was a great contribution to human civilization.

   纸的发明是对人类文明的一大贡献。

2. 捐献，捐助[U]
3. 捐献的物品（或钱）[C]
   I made a contribution of $100 to the Famine Relief Fund.

   我向救灾基金会捐献了一百美元。

4. 投稿[U]
   Will you give us some contribution?

   你能给我们投稿吗？

5. 投寄的来稿[C]
   The editor is short of contributions for the May issue.

   编辑缺少五月份这期的稿件。