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单词 corer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cor•er  (kôrər, kōr-),USA pronunciation n. 
  1. a person or thing that cores.
  2. a knife or other instrument for coring apples, pears, etc.
  3. Rocksa device having a hollow cylindrical drill or tube, used for taking samples of earth, rock, etc., from below the surface of the ground or ocean bottom.
  • core1 + -er1 1790–1800

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