umbra的中文翻譯是什麼意思
umbra
US/ˈʌmbrə/
UK/ˈʌmbrə/
n. 本影，暗影，蝕時的地球
umbra的英文釋義
Noun
1. a region of complete shadow resulting from total obstruction of light
umbra的場景例句
This is a lighter area between the umbra and the edge of a shadow.
這是本影和陰影邊緣之間較亮的區域.
Only moon umbra totally puts on earth, the shadow area can watch the eclipse.
唯有在月球的本影投影在地球表面時, 在該區域的人才能夠觀測到日食.
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.