genital       
adjective uk/ˈdʒen.ɪ.təl/ us/ˈdʒen.ə.t̬əl/
 生殖器的,外阴的
connected with the outer sexual organs, especially the penis or vulva
  the genital area/organs 外阴部位/器官 
 Herpes simplex is the virus responsible for cold sores on the lips and face, and is also involved in genital infection.  单纯疱疹是一种病毒,会在唇部和脸部造成唇泡疹,与外阴感染也有关系。 
 See: genitals
 - More examples
 - The pain is centered mainly in the genital region.
 - Probiotics may protect against infections in the genital and urinary tracts.
 - The virus sometimes causes annoying but typically painless genital warts.