umbral 中文意思是什麼
umbral
解釋
有蔭影的, 陰暗的, 本影的-
This partial eclipse is rather shallow with an umbral magnitude of only 0. 068, meaning that 6. 8 percent of the moon s diameter will enter into the umbra total shadow of the earth at the middle of eclipse
這次月偏食的食分較小，只有零點零六八，即是在食甚時，月球有百分之六點八的直徑進入地球本影。 -
This partial eclipse is rather shallow with an umbral magnitude of only 0. 068, meaning that 6. 8 percent of the moon s diameter will enter into the umbra ( total shadow ) of the earth at the middle of eclipse
這次月偏食的食分較小，只有零點零六八，即是在食甚時，月球有百分之六點八的直徑進入地球本影。
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