umbra
基本解释
- n.影；本影；蝕時的地球
英汉例句
- This includes the continuous survey of umbra and penumbra of the sunspot.
這包括對太陽黑子本影和半影持續的觀測。 - It is the custom that aged or infirm Striders make a final journey into the Umbra, never to return.
年老或者衰弱的漫遊者會根據傳統最後一次出發去影界，一去不歸。 - This is a lighter area between the umbra and the edge of a shadow.
這是本影和隂影邊緣之間較亮的區域。 - Shaped like a cone extending into space, the umbra has a circular cross section that can be most easily seen during a lunar eclipse.
本影就像一個圓錐一樣延伸在空間中，儅月食發生時，它很容易被看到。
用作名詞 (n.)
英英字典
- the dark inner part of a shadow in which all light is blocked, used especially about a shadow made during an eclipse