miscegenation
noun[U]
formaluk/ˌmɪs.ɪ.dʒɪˈneɪ.ʃən/us/mɪsˌedʒ.əˈneɪ.ʃən/sexualrelationsbetweenpeopleof differentracesor theactofproducingchildrenfromparentsof differentraces:
异族间的性关系；异族父母生育后代Anti-miscegenationlawsprohibitinginterracialsexandmarriagepredatetheDeclarationofIndependenceby more than acentury.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。