contribution 拼读及例句

contribution 拼读及例句

con-trib-ut-ion n. 贡献

例句1 Their contribution was of great worth.

       他们的贡献具有伟大的意义。

例句2 Instead, he made a generous contribution to help the community.

        相反，他为帮助社区做出了慷慨的贡献。

例句3 We rely entirely on voluntary contribution.

       我们全靠自愿捐赠。

例句4 5 grams of radium made a decisive contribution to the success of the experiments. 

       5克镭对实验成功有决定性的贡献。