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TOEFL BNC: 15655 COCA: 12567
aperture
æpəʳtʃəʳ ˈæpətʃə ˈæpərtʃər
Word forms: plural apertures
1 N-COUNT 孔;缝隙;缺口 An aperture is a narrow hole or gap. 孔;缝隙;缺口 [formal]
  • Through the aperture he could see daylight.

    透过缝隙,他能看见日光。

2 N-COUNT (照相机的)光圈,孔径 In photography, the aperture of a camera is the size of the hole through which light passes to reach the film. (照相机的)光圈,孔径
  • Use a small aperture and position the camera carefully.

    用小光圈,仔细调整相机位置。

  • The camera has a 32mm lens with a maximum aperture of f/4.5 and a fixed shutter speed of 1/100sec.

    这架相机有一个32毫米的镜头,最大孔径为f/4.5,固定快门速度为1/100秒。

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