miscegenation
noun [ U ] formal uk/ˌmɪs.ɪ.dʒɪˈneɪ.ʃən/ us/mɪsˌedʒ.əˈneɪ.ʃən/
异族间的性关系;异族父母生育后代
sexual relations between people of different races or the act of producing children from parents of different races
Anti-miscegenation laws prohibiting interracial sex and marriage predate the Declaration of Independence by more than a century. 在独立宣言发表一个世纪前，就有反异族性关系和通婚的法律。