基本解釋[天] 偕日陞英漢例句雙語例句The heliacal rising or setting of a star indicates to within a few days the date in the annual day-cycle.星辰偕日陞降，說明了其在幾天內(nèi)年日循環(huán)的日期。One of the most famous of all ancient scientific observations was that of the heliacal rising of Sirius which warned the ancient Egyptians of the imminent inundation by the Nile.古代最有名的一例科學(xué)觀測(cè)就是，古埃及人通過觀察偕日陞降的天狼星，預(yù)測(cè)出即將來臨的尼羅河洪災(zāi)。heliacal rising更多例句詞組短語短語heliacal rising and setting 偕日陞降heliacal rising or setting 偕日陞落heliacal rising更多詞組英英字典柯林斯英英字典 the rising of a celestial object at approximately the same time as the rising of the sun heliacal rising劍橋字典heliacal rising柯林斯字典專業(yè)釋義天文學(xué)晨出偕日陞