キーストーンコンビ
kiisu tōnkombi
1. keystone combination
Noun
#1000567
1. keystone combination
1. keystone combination
1. Probably a key combination.; Likely a key combination.
1. Was keystone combination.
1. It is not a keystone combination.
1. Keystone combination; Key combination
1. Was a keystone combination.
1. It's not a keystone combination.
1. Probably a key combination.; Likely a key combination.
1. Not a keystone combination.