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单词 semicircle
释义

semicircle

noun
/ˈsemisɜːkl/
/ˈsemisɜːrkl/, /ˈsemaɪsɜːrkl/
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  1. enlarge image
    (geometry)
    one half of a circleTopics Colours and Shapesc2
  2. a thing, or a group of people or things, like a semicircle in shape
    • a semicircle of chairs
    • We sat in a semicircle round the fire.
  3. Word Originearly 16th cent.: from Latin semicirculus (see semi-, circle).
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更新时间:2024/11/15 7:18:32