incest

n [U] sexual intercourse betweenpeople who are too closely related to marry, eg brother and sister or father and daughter 乱伦, 血亲相奸（如兄妹或父女之间）.

incandescent lamp, incantation, incapability, incapable, incapably, incapacitate, incapacity, incapacity to, incarcerate, incarceration, incarnate, incarnation, incautious, incautiously, incendiary, incense, incentive, inception, incessant, incessantly, incestuous, incestuously, inch, inchoate, incidence, incident, incidental, incidentally, incinerate, incineration, incinerator, incipient, incise, incision, incisive, incisively, incisiveness, incisor, incite, incitement,