单词	tropical month
释义	tropical month noun : a period that equals the mean time of the moon's revolution from any point of the ecliptic back to the same point and amounts to 27 days, 7 hours, 43 minutes, and 4.7 seconds of mean solar time Word History First Known Use 1869, in the meaning defined above
随便看	surgical surgical knot surgical mask surgical masks surgical spirit surgical strike surgically surgicenters surging surgings Surgut surgy Suriana Surianaceae Suribachi, Mount suricat Suricata suricatae suricatas suricate suricates surimi surimis surinam Surinam cabbage tree

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