オプションボタンです
opushombotandesu
1. Option button.
Noun
#891582
1. Option button.
1. button (clothing)
2. push-button; button
1. Button's; Of a button
1. With a button; By buttoning
1. optionally; with options
1. Optional; Accessory
1. Button.; Is a button.
1. Option; Is an option
1. Was buttoned; Had a button