adjective 下载 🔗分享 太阳的，偕日的 Of or relating to the Sun, especially rising and setting with the sun. Examples : "The ancient Egyptians based their calendar on the heliacal rising of the star Sirius, which coincided with the annual flooding of the Nile. " 古埃及人根据天狼星的偕日升（即与太阳一同升起）来制定他们的历法，因为天狼星的偕日升恰好与尼罗河每年的泛滥期相吻合. astronomy astrology time weather 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 偕日，近地平线。 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. Examples : "The farmer knew it was time to plant when he observed the heliacal rising of the star Sirius. " 当农夫观察到天狼星的偕日升，也就是天狼星在日出前第一次在地平线上出现的时候，他就知道该播种了。 astronomy astrology time space nature phenomena 与AI对话词汇游戏阅读练习
