はつたいけん

はつたいけん【初体験】

〔初めての性体験〕 one's first sexual experience; 〔初めての経験〕 a [the, one's] first experience 《of…》; the first time one has done.

●初体験の年齢はだんだん下がっている. People are having sex for the first time at an increasingly young age.

●初体験は 20 歳のとき. I had sex for the first time [my first sexual experience] when I was twenty.