英 [hɪˈlaɪəkəl] 美 [hɪˈlaɪəkl]
adj. 太阳的；与太阳同时升落的；接近太阳的
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
太阳的
... subsidence 下沉，沉淀 heliacal 太阳的，接近太阳的 lunar 月亮的；阴历的 ...
heliocentric [天] 以太阳为中心的
heliograph 用日光反射信号器发送信息
heliograph 用太阳摄影机拍摄；用日光反射信号器发送
太阳的；与太阳同时升落的；接近太阳的
This annual event is called a heliacal rising.
这个一年一度的活动被称为“偕日升”。
They continually adjusted it to the heliacal rising of Sirius, ensuring that they never got too far off in their seasons.
他们不断地调整它以适应天狼星的偕日升，确保他们在自己的季节里不会偏离太远。
This administrative calendar existed alongside the earlier agricultural and religious calendar that depended on the heliacal rising of Sirius.
这个行政日历与早期依赖于天狼星偕日升的农业和宗教日历并存。