adjective🔗Share太陽の、太陽に関するOf or relating to the Sun, especially rising and setting with the sun."The ancient Egyptians based their calendar on the heliacal rising of the star Sirius, which coincided with the annual flooding of the Nile. "古代エジプト人は、ナイル川の毎年の氾濫と一致するシリウス星の太陽出に暦を基づいていました。astronomyastrologytimeweatherChat with AIVocabulary GamePractice Reading
adjective🔗Share太陽の, ヘリカルのOf or relating to the rising of a star when it first becomes visible just before sunrise in the eastern sky, having previously been made invisible by sunlight, or the analogous situation of its setting just after sunset."The farmer knew it was time to plant when he observed the heliacal rising of the star Sirius. "農夫は、シリウス星のヘリカルな出現を観察したとき、植える時が来たことを知った。astronomyastrologytimespacenaturephenomenaChat with AIVocabulary GamePractice Reading
