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单词 baily's beads
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Baily's beads  (bālēz),USA pronunciation 
  1. Astronomyspots of light that appear to encircle the moon, resembling a string of luminous beads, visible immediately before and after a total eclipse, caused by the sun's light shining between the mountains on the moon's surface. Cf. diamond ring effect.
  • named after Francis Baily (1774–1844), English astronomer who first described them

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更新时间:2025/7/23 14:07:57