青年中文umbral的意思
umbral中文翻譯：
adj.本影的；有蔭影的；陰暗的
umbral glaive───格拉維門檻
The six elements are manifest in all things great and small, and their polarity deriveth from the Astral heavens above and the Umbral depths below.───所有對象都會受到這六種元素得影響，而星靈屬性的存在會增復或是削弱他們的影響力。
Pictured above, the face of a full moon is partly blocked by Earth's clouds, and partly darkened on the upper right by Earth's umbral shadow.───上圖中，月亮被云遮去了一小部分，但是右上角的暗影并不是云造成的，那是地球的影子。
During totality, the Moon tracked through the northern part of the Earth's dark umbral shadow, so the southern half appeared considerably darker than the northern part.───月全食的過程中，月亮會經過地球本影的北部，因此月亮下半部分會比上半部分暗一些。
The path of the Moon's umbral shadow begins in India and crosses through Nepal, Bangladesh, Bhutan, Burma, and China.───月球陰影的路徑開始于印度，緊接著穿越尼泊爾，孟加拉共和國，不丹，緬甸和中國。
Though the umbral magnitude is small, some regions of the moon will still be visible.───雖然蝕分不大，仍可看到月球部分區域的景象。
Causes and Preventive Measures of Umbral Lines on Stripy Fabrics with Polyester and Cotton Blended Yarns───滌棉混紡條形織物陰紋疵點的產生原因及其預防
A Probabilistic Interpretation to Umbral Calculus───啞運算的概率解釋
A note on umbral calculus───關于啞演算的一點注記