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单词 bipyramid
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bi•pyr•a•mid  (bī pirə mid),USA pronunciation n. [Crystall.]
  1. Crystallographya form symmetrical about a plane dividing it into two pyramids. Also called dipyramid. 
  • bi-1 + pyramid
bi•py•ram•i•dal  (bī′pi rami dl),USA pronunciation adj. 
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更新时间:2024/9/20 16:27:02