noun ダウンロード 🔗共有 避妊薬、避妊具 A mechanism or means by which conception as a result of sexual intercourse can be prevented or made less likely. Examples : "Using contraceptives helps prevent unwanted pregnancies. " 避妊薬を使用すると、望まない妊娠を防ぐのに役立ちます。 medicine sex technology device family body biology science AIとチャット語彙ゲーム読解練習