オペレーティングシステムだったら
operētingushisutemudattara
1. If it were an operating system; If it's an operating system
Noun
#116813
1. If it were an operating system; If it's an operating system
1. if it's the case
1. system
1. automatic lock
2. automatic door-locking system
1. systems
1. geographic information system; GIS
1. not be found
1. filing system
1. If it comes out; When it comes out