crater of eternal darkness

短语

词形变化

craters of eternal darkness 复数 craters of eternal darkness

释义与例句

n.
  1. 1.

    A crater or other depression, on a solid, non-luminous celestial body, the interior of which contains one or more points which lie in perpetual shadow due to a combination of high latitude and being on a celestial body with low axial tilt.

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