aperture of screen

例句：

1. 1.The camera has a large aperture to capture more light.
   这台相机有一个大光圈以捕捉更多的光线。
2. 2.The scientist used apertures to study the behavior of insects.
   科学家使用孔来研究昆虫的行为。
3. 3. The lens of the telescope has a small aperture to focus the light.
   望远镜的镜头有一个小孔来聚焦光线。