incest

noun

1. 乱伦；血亲相奸
   sexual activity between two people who are very closely related in a family, for example, a brother and sister, or a father and daughter

1. 乱伦罪
   Incest is the crime of two members of the same family having sexual intercourse, for example a father and daughter, or a brother and sister.

1. Incest remains one of society's last taboos and is an unthinkable concept to most people.
   近亲通婚是现代社会的最后禁忌之一，大部分人还是无法接受这种观念。
2. The same is true of the conception of incest.
   血亲婚配的观念，也是如此。
3. A Preliminary Study on the Incest Breeding of Trichogramma dendrolimi Matsumura
   松毛虫赤眼蜂近亲交配的初步研究

noun

1. sexual intercourse between persons too closely related to marry (as between a parent and a child)