短語詞組短語heliacal setting [天]偕日落;[天]夕沒;偕日降Heliacal risings 偕日升heliacal scanning 螺旋掃描heliacal rising [天]晨出;偕日出heliacal cycle 太陽周heliacal solar 太陽的heliacal energy water heater 太陽能熱水器heliacal rising and setting 偕日升降 返回 heliacal