短語(yǔ)詞組短語(yǔ)heliacal setting [天]偕日落;[天]夕沒(méi);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(yáng)周heliacal solar 太陽(yáng)的heliacal energy water heater 太陽(yáng)能熱水器heliacal rising and setting 偕日升降 返回 heliacal