| 单词 | keystoned |
| 释义 | Definition of keystoned in English:keystonedadjective ˈkiːstəʊnd
OriginMid 19th century; earliest use found in The Gentleman's Magazine. From keystone + -ed. Definition of keystoned in US English:keystonedadjectiveˈkiːstəʊnd
OriginMid 19th century; earliest use found in The Gentleman's Magazine. From keystone + -ed. |
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