| 单词 | period of revolution |
| 释义 | period of revolutionnounastronomy the mean time taken for one body, such as a planet, to complete a revolution about another, such as the sun Words nearby period of revolutionperiodic table of the elements, periodic tenancy, periodide, periodization, period-luminosity relation, period of revolution, periodontal, periodontal disease, periodontal ligament, periodontal membrane, periodontal membrane fiber Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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