ephemeris是什么意思_ephemeris怎么读_音标ɪ'femərɪs

ephemeris是什么意思音标:英 [ɪ'femərɪs]美 [ɪ'femərɪs]

n. 星历表

n. an annual pubpcation containing astronomical tables that give the positions of the celestial bodies throughout the year