[kou3 qiang1] /oral cavity/
  [kou3 qiang1] /Mundhöhle (u.E.) (S)/
  [kou3 qiang1] /bouche/
 [こうこう;こうくう] /(n,adj-no) (こうくう is used by medical professionals) the oral cavity/mouth cavity/EntL1578650X/
Visszatérés a(z) „口腔” laphoz.