| 释义 |
penumbra美 [pə'nʌmbrə] 英 [pə'nʌmbrə] - n.（黑暗与光明之间的）半影；（偏食期间的）半影
- 网络半阴影；半影区；半暗带
n. shadow,shade,darkness,obscurity,uncertainty 1. | （黑暗与光明之间的）半影an area of shadow which is between fully dark and fully light |
2. | （偏食期间的）半影the shadow made by the earth or the moon during a partial eclipse |
n. | 4. 【天文学】太阳黑子周围的半暗部;(星面部的)阴影 4. 【天文学】太阳黑子周围的半暗部;(星面部的)阴影 |
n. | 1. a partial outer shadow that is lighter than the darker inner shadow , e.g. the area between complete darkness and complete light in an eclipse 2. an indistinct area, especially a state in which something is unclear or uncertain 3. the outer region or periphery of something 4. a grayish area surrounding the dark center of a sunspot 5. an area covered by the outer part of a shadow, so that it is not completely dark 1. a partial outer shadow that is lighter than the darker inner shadow , e.g. the area between complete darkness and complete light in an eclipse 2. an indistinct area, especially a state in which something is unclear or uncertain 3. the outer region or periphery of something 4. a grayish area surrounding the dark center of a sunspot 5. an area covered by the outer part of a shadow, so that it is not completely dark |
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