"the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)" heliacal词源中文解释 "太阳的"(但特别用于星星,指它们从太阳的耀眼中变得可见),约1600年,带有 -al(1)和希腊语 hēliakos 的拉丁化形式“太阳的”,源自 hēlios “太阳”(来自 PIE 词...