apertureKK [ˋæpɚtʃɚ] /ˈæpɚtʃɚ/名詞1光圈攝影Open up the aperture a little to brighten the shot.把光圈開大一點,讓畫面亮一些。2孔、開口、隙縫正式Warm air escaped through a narrow aperture in the wall.暖空氣從牆上一道狹窄的縫隙散出。3孔徑、口徑光學A telescope with a larger aperture gathers more light.口徑較大的望遠鏡能收集到更多光線。