bio·rhythmBrE /ˈbaɪəʊrɪðəm/ 🔊NAmE /ˈbaɪoʊrɪðəm/ 🔊 noun [usually plural] the changing pattern of how physical processes happen in the body, that some people believe affects human behaviour 生物节律（指体内生物过程的变化模式，据信对行为有影响）