单词 | astronomical day |
释义 | Definition of astronomical day in English:astronomical daynoun
OriginMid 17th century; earliest use found in George Walker (d. 1690), Church of Ireland clergyman. Definition of astronomical day in US English:astronomical daynoun
OriginMid 17th century; earliest use found in George Walker (d. 1690), Church of Ireland clergyman. |
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