单词	hour angle
释义	hour angle noun : the angle between the celestial meridian of an observer and the hour circle of a celestial object measured westward from the meridian Word History First Known Use circa 1837, in the meaning defined above
随便看	hydrogenating hydrogenation hydrogenations hydrogenic hydrogenide hydrogenisation hydrogenisations hydrogenise hydrogenised hydrogenises hydrogenising hydrogenium hydrogenizations hydrogenize hydrogenized hydrogenizes hydrogenizing hydrogenolyses hydrogenolysis Hydrogenomonas hydrogenous hydrogens hydrogeologies hydrogeologist hydrogeologists

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