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单词 Encke's comet
释义 Encke's comet
 /eng"keuhz, -keez/
 a comet, discovered by J.L. Pons, with a period of 3.3 years, the shortest period known.
 [named after Johann F. Encke (1791-1865), German astronomer]
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更新时间:2024/9/21 23:28:33