intermarriage
noun [ U ] uk/ˌɪn.təˈmær.ɪdʒ/ us/ˌɪn.t̬ɚˈmer.ɪdʒ/
（不同群体、种族或宗教间的）通婚;近亲结婚
marriage between people who are from different social groups, races, or religions, or who are from the same family
Have ethnic tensions in the area been reduced by intermarriage? 不同种族之间的通婚是否缓解了该地区的种族紧张局势？
Intermarriage between close relatives is prohibited in most societies. 大多数社会禁止近亲结婚。