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关于下面的句子如何理解?

achieve 发表于: 2008-9-02 20:15 来源: 咖啡英语网   加入网摘:


Drugs and painkillers may still be used to ease physical pain , but all these techniques of relaxation help the patients relax and avoid anxiety over their pain.

帮我分析这句话的句子成分?并翻译?谢谢!