| 单词 | sun pillar |
| 释义 | sun pillarnoun Astronomy.a halo phenomenon in which a vertical streak of light appears above and below the sun, believed to be caused by the reflection of sunlight by ice crystals with vertical axes. Compare moon pillar. Origin of sun pillarFirst recorded in 1900–05 Words nearby sun pillarsunny side, sunny-side up, Sunnyvale, sun pan, sun parlor, sun pillar, sun porch, Sun Prairie, sunproof, sun protection factor, sunray Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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