New Words：

contribute [kən'tribju:t] v. 捐助；捐献；贡献；撰稿；是…的原因之一

Sample Sentences：

Each worker contributed one dollar to the Red Cross.
She contributed a number of articles to the magazine.
It was generous of her to contribute such a large sum.
We contributed a sum of money to the homeless survivors of the earthquake.

generous ['dʒenərəs] adj. 慷慨的, 宽宏大量的, 丰厚的, 丰盛的
survivor [sərˈvaɪvər] n. 幸存者；生还者

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