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单词 pentahedron
释义

pentahedron

noun
/ˌpentəˈhiːdrən/
/ˌpentəˈhiːdrən/
(geometry)
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  1. a solid shape with five flat sidesTopics Colours and Shapesc2
    Word Originlate 18th cent.: from penta- ‘five’ + -hedron, on the pattern of words such as polyhedron.
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更新时间:2024/12/23 19:58:04