キーストーンです
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1. Keystone.; Polite form of "key."
Noun
#257142
1. Keystone.; Polite form of "key."
1. key word; key phrase
2. keyword; search term
1. cookie; biscuit
2. cookie; browser cookie
1. command
2. command key
1. big; large
1. keychain; key chain
2. key ring (encryption)
1. delinquent (youth); delinquency
2. Yankee; Yank
1. rookie