aperture
aperture
ap∙er∙ture / ˈæpətʃə ; ˈæpətʃə /
◙noun [C]
1. [formal] a small hole or space in something
• 孔,缝隙
2. the small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photograph
• 〔照相机的〕光圈,孔径