noun
vaginal secretion (during arousal); vaginal lubricant
Medical/technical term for natural lubrication produced during sexual arousal. In everyday conversation, euphemisms or simpler terms may be used.
膣液の分泌は女性の性的興奮のサインの一つです。
Vaginal secretion is one sign of female sexual arousal.
この薬は膣液の量を増やす効果があると言われてい
This medicine is said to have the effect of increasing the amount of vaginal lubricant.