カウパー腺せん液えきカウパーせんえきじ字FuriganaMeanings1nounCowper's fluid; pre-ejaculateMedical and anatomical term for the clear fluid secreted by the bulbourethral glands. The vulgar slang 'pre-cum' is included but is not the primary register.カウパー腺せん液えきは尿にょう道どうを中ちゅう和わする
