| 单词 | obsoletion |
| 释义 | Definition of obsoletion in English:obsoletionnoun ˌɒbsəˈliːʃn rare
OriginEarly 19th century; earliest use found in William Mitford (1744–1827), historian of ancient Greece. From obsolete + -ion. Definition of obsoletion in US English:obsoletionnounˌɒbsəˈliːʃn rare
OriginEarly 19th century; earliest use found in William Mitford (1744–1827), historian of ancient Greece. From obsolete + -ion. |
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