umbra

基本解释

• n.影；本影；蝕時的地球

同根派生

• umbra相关词

英汉例句

用作名詞 (n.)

• 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。

• umbra更多例句

英英字典

劍橋英英字典

• the dark inner part of a shadow in which all light is blocked, used especially about a shadow made during an eclipse

• umbra剑桥字典
• umbra柯林斯字典