aperture
aperture 英 [ˈæpətʃə(r)] 美 [ˈæpətʃɚ]
n. 孔，穴；（照相机，望远镜等的）光圈，孔径；缝隙
名词复数:apertures
- An aperture is an opening, usually a small one. “If you can thread the silk through that aperture and pull it out the other side, we can knot it and create a loop.”
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- n. 孔，穴；（照相机，望远镜等的）光圈，孔径；缝隙
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1. Adjust the shutter speed and aperture.
校准快门速度和光圈。
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2. The only light came through a narrow aperture.
仅有的光亮来自一个小孔。
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3. So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.
现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。
- aperture (n.) early 15c., "an opening, hole, orifice," from Latin apertura "an opening," from apertus, past participle of aperire "to open, uncover," from PIE compound *ap-wer-yo- from *ap- "off, away" (see apo-) + root *wer- (4) "to cover." In optics, diameter of the exposed part of a telescope, microscope, etc., 1660s.
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