单词 | equinoctial year |
释义 | equinoctial year (once / 2363863 pages) n WORD FAMILY equinoctial year n the time for the earth to make one revolution around the sun, measured between two vernal equinoxes Syn|Hyper astronomical year, solar year, tropical year year the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun |
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