iris opening
US /ˈaɪrɪs ˈoʊpənɪŋ/
UK /ˈaɪrɪs ˈəʊpənɪŋ/
名词
光圈开口, 虹膜开口
the adjustable opening in a camera lens that controls the amount of light reaching the film or sensor
示例:
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Adjusting the iris opening is crucial for proper exposure in photography.
调整光圈开口对于摄影中的正确曝光至关重要。
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A wider iris opening allows more light to enter the camera.
更宽的光圈开口允许更多光线进入相机。