donate v. to give money or goods to help a person or organization 捐赠；捐献

diet v. If you are dieting, you eat special kinds of food or you eat less food than usual because you are trying to lose weight. 节食

pressure v. Pressure is force that you produce when you press hard on something. 压力；压强

surgery n. Surgery is medical treatment in which someone's body is cut open so that a doctor can repair, remove, or replace a diseased or damaged part. 外科手术

为使血压降到可以进行外科手术，阿拉巴马州的一位丈夫用了一年时间节食和锻炼，通过捐肾拯救了他的妻子。