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词汇 semicircle
释义

semicircle

noun
/ˈsemisɜːkl/
/ˈsemisɜːrkl/, /ˈsemaɪsɜːrkl/
  1. enlarge image
    (geometry几何)
    one half of a circle半圆
    Topics Colours and Shapesc2
  2. a thing, or a group of people or things, like a semicircle in shape半圆形
    • a semicircle of chairs摆成半圆形的椅子
    • We sat in a semicircle round the fire.我们坐在炉火前,围成一个半圆形。
  3. 词源early 16th cent.: from Latin semicirculus (see semi-, circle).
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