单词 | lunar day |
释义 | lunar day (once / 101891 pages) n WORD FAMILY lunar day: lunar days USAGE EXAMPLESFor example, the Moon's surface temperature can vary by several hundred degrees C during the course of a lunar day. BBC(Mar 19, 2015) As the readers pointed out, as the Moon rotates, the Sun rises over the entire surface during the course of a monthlong lunar day. New York Times(Dec 17, 2012) Like the lunar year, the lunar month begins for religious purposes with its first lunar day, and for civil purposes with its first civil day. Various, Encyclopaedia Britannica, 11th Edit...(2012) n the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days) Hyper day the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis |
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