周日圈 zhōurìquān diurnal circle Definitions Defs Origin Strokes Stroke Words Sentences Sents 周日圈 zhōurìquān diurnal circle (astronomy) the circular path that a celestial body appears to follow across the sky during one full rotation of the earth
周日圈 zhōurìquān diurnal circle (astronomy) the circular path that a celestial body appears to follow across the sky during one full rotation of the earth
