semi-circles 

  1. 名詞
semicircle複數: 半圓
半圓形體
半圓弧

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Semicircles are drawn on the sides of a rectangle ABCD.                            
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  2. 
                                Draw a round shape for the hat with smaller attached semicircles for the brim.                            
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  3. 
                                The table called the Bunimovich stadium is a rectangle capped by semicircles .                            
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  4. 
                                More like an amphitheatre, with rows of seats in semicircles high up at the back.                            
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  5. 
                                Note that the all straight lines are projected as great semicircles on the sphere.                            
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