1.  aperture
2.  diaphragm
3.  halo

• 1. 光圈: Aperture | IRIS | ApertureValue | aperture
• 2. 光圈优先: Aperture Priority | A MODE | Aperture preferred | Aperture
• 3. 光圈范围: F-Stop | IRIS | Iris Range

更多释义

• 1.当一只长耳大野兔出现在车灯光圈里时，他突然刹了车。
  He braked suddenly as a jackrabbit darted into the bright cones of light.
  dict.yoduao.com
• 2.刹那间，那道光圈被打破了，有什么东西轻轻掐了彼得一下。
  For a moment the circle of light was broken, and something gave Peter a loving little pinch.
  dict.yoduao.com
• 3.这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。
  These rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.
  dict.yoduao.com

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