Tìm kiếm
Umbra
01
umbra
the part of a shadow that is completely dark; caused by acute light blockage
Example
In a total solar eclipse, the umbra creates complete darkness.
During the eclipse, the moon cast an umbra on the Earth 's surface.
The umbra of the building provided shade from the hot sun.
Ví dụ
In a total solar eclipse, the umbra creates complete darkness.
During the eclipse, the moon cast an umbra on the Earth's surface.
The umbra of the building provided shade from the hot sun.
The shadow's umbra was clearly defined against the bright background.
Standing in the umbra of the tree, they escaped the summer heat.
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