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单词 retroreflection
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ret•ro•re•flec•tive  (re′trō ri flektiv),USA pronunciation adj. 
  1. Opticsof or pertaining to a surface, material, or device (retroreflector) that reflects light or other radiation back to its source;
    reflective.
  • retro- + reflective 1850–55
ret′ro•re•flection, n. 

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