| 单词 | tropical month |
| 释义 | Word Frequency tropical month(ˈtrɒpɪkəl mʌnθ) noun astronomy the period of time taken by the moon to return to the same longitude after one complete revolution around the earth; 27.321 58 days (approximately 27 days, 7 hours, 43 minutes, 4.5 seconds) |
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