名詞 ephemeris:

1. an annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year

e.phem.er.is

n.（名詞）
【復(fù)數(shù)】 eph.e.mer.i.des[μf.…-mμr.…-dôz.]
A table giving the coordinates of a celestial body at a number of specific times during a given period.
星歷表：一張給出一定時(shí)期內(nèi)一個(gè)天體在一些特定時(shí)間的坐標(biāo)的表

來(lái)源：
Late Latin ephômeris
后期拉丁語(yǔ) ephômeris
from Greek [diary]
源自 希臘語(yǔ) [日記](méi)
from ephômeros [daily] * see ephemeral
源自 ephômeros [每天的] *參見(jiàn) ephemeral