aperture [ˈæpətʃɚ]

例句:

• Use a small aperture and position the camera carefully.
  用小光圈，仔细调整相机位置。
  
• Through the aperture he could see daylight.
  透过缝隙，他能看见日光。
  
• For flash photography, set the aperture at f.5.6.
  用闪光照相，要把光圈孔径定为5.6。
  
• That's making large-aperture optical instruments increasingly relevant, Steidel says.
  来自SA
• The brain solves the so-called aperture problem by assuming a default.
  来自SA
• She opened the door...a little way, and slipped through the aperture.
  来自R. P. Warren