セキュリティシステムでしょう
sekyuritishisutemudeshō
1. Probably a security system.
Noun
#105328
1. Probably a security system.
1. system
1. security
1. automatic lock
2. automatic door-locking system
1. systems
1. geographic information system; GIS
1. home security (system)
1. filing system
1. it seems; I think
2. right?; don't you agree?
1. It is not a system.; It’s not the system.