天文日 tiānwénrì astronomical day Definitions Defs Origin Strokes Stroke Words Sentences Sents 天文日 tiānwénrì astronomical day a time interval measured by the rotation of the Earth relative to a celestial body or point, such as the sun or a star Cross-References Same as 天文时 tiānwénshí
天文日 tiānwénrì astronomical day a time interval measured by the rotation of the Earth relative to a celestial body or point, such as the sun or a star Cross-References Same as 天文时 tiānwénshí
