← 単語を見るに戻るsecuritynoun#765訳語セキュリティセキュリティ安心あんしん安全あんぜん安全性あんぜんせい英語の定義the state of being free from danger or injury例文Please get me hotel security.Germany adopted a social security system in the 1880's.似ている単語security'ssecuritiesinsecuritysecuringbiosecuritysecure← definitelycertainly →