semicircular [ˌsemɪ'sɜ:kjələ(r)]

例句:

• Two semicircular sofas in a silvery silk take centre stage under another chandelier.
  来自THETIMES
• Semicircular seating arrangements are ideal for comfort, interaction and line of sight.
  半圆形的座位安排对于参与者的互动、视线和舒适度都是十分理想的.
  
• It is usually a semicircular wheaten food with stuffing.
  它通常是有馅的半圆形的麦制食品.
  
• The semicircular jiao zi was about five centimeters long.
  那半圆的饺子大概五公分长.
  
• To find the moulds necessary for the construction of a semicircular arch.
  来自J. Nicholson
• Located within the labyrinth are three semicircular canals that act as angular accelerometers for the head.
  来自SA