单词	sidereal month
释义	sidereal month noun plural sidereal months : the mean time of the moon's revolution in its orbit with reference to a star's position : 27 days, 7 hours, 43 minutes, 11.5 seconds of mean time The Moon rotates on its axis once every 27.32166 days. This is the sidereal month and corresponds to the time taken for the average period of revolution of the Moon about the Earth. Stuart Ross Taylor Word History First Known Use 1833, in the meaning defined above
随便看	Galictis Galidia Galidictis Galilean galilean Galilean glass Galilean telescope galileans galilee Galilee, Sea of galilees galilei Galileo galileoes galileos galimatias galimatiases galingale galingales galinsoga galiongee galiongees galiot galiots galipine

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