illegitimate mating

例句：

1. 1. The couple's illegitimate mating has been the subject of much controversy.
   这对夫妇的非法交配一直是许多争议的话题。
2. 2.The government is investigating the illegitimate mating of two neighboring states.
   政府正在调查两个邻近州的非法交配情况。
3. 3.In some cultures, illegitimate mating is considered taboo and can lead to social ostracism.
   在某些文化中，非法交配被视为禁忌，可能会导致社会排斥。