セキュリティシステムでした
sekyuritishisutemudeshita
1. It was a security system.
Noun
#1000567
1. It was a security system.
1. system
1. pupil; disciple
1. deci-; 10^-1
1. security
1. becoming a pupil (of); becoming an apprentice
1. systems
1. automatic lock
2. automatic door-locking system
1. home security (system)
1. geographic information system; GIS