intermarry

基本解释

Second, never during the 4 centuries did the Romans and Britons intermarry.
其次，在四世纪对罗马人和不列颠人通婚。
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They were from nations about which the Lord had told the Israelites, 'You must not intermarry with them, because they will surely turn your hearts after their gods.
论到这些国的人，耶和华曾晓谕以色列人说，你们不可与她们往来相通，因为她们必诱惑你们的心去随从她们的神。
The content of the Assembly was formulated by Napoleon I, manly including: Jews of France must intermarry with non-Jews, to regard France as homeland;
会议讨论的内容是拿破仑确定的，主要包括：犹太人要与非犹太人通婚；要视法兰西为自己的祖国；

Most were outward adherents of Islam, but had second names and would not intermarry.
ECONOMIST: Jewish mysticism
These people are not only rich but also exceptionally clever, because America has become expert at sending its brightest to the same elite universities, where they intermarry and confer on their offspring not just wealth but also a cognitive advantage that gives this class terrific staying power.
ECONOMIST: Lexington
Among those who went to Sunday school, the proportion dropped to 29%, and among those who attended Jewish day school to 7%—although part of the reason may be that the Orthodox, who almost all go to day schools, are the least likely to intermarry anyway because they still see marrying out as a sin.
ECONOMIST: Judaism in the diaspora: A buffet to suit all tastes

When people from different social, racial, or religious groups intermarry, they marry each other. You can also say that one group intermarries with another group.