中文翻译与英英解释

adj.
太阳的；与太阳同时升落的。 heliacal rising [setting] (of a star) 【天文学】(星的)偕日升[偕日落]。
adv.
-ly

pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun; "the heliacal rising of the Dog Star"; "the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)"
同义词：heliac,