n.光圈，缝隙，小孔，(尤指摄影机等的光圈)孔径

原形：aperture复数：apertures

The photographer adjusted the aperture to let in more light.
摄影师调整了光圈以让更多光线进入。
Aperture size plays a crucial role in determining the depth of field in a photograph.
光圈的大小在决定照片景深中起着至关重要的作用。
By widening the aperture, the background became beautifully blurred.
通过扩大光圈，背景变得漂亮地模糊了。
In low light conditions, using a larger aperture can help avoid camera shake.
在光线较暗的条件下，使用较大的光圈有助于避免相机抖动。
The aperture setting on this camera allows for precise control over exposure.
这款相机的光圈设置允许对曝光进行精确控制。
A narrow aperture is often used for landscape photography to keep both foreground and background in focus.
窄光圈常用于风景摄影，以保持前景和背景都清晰。
Changing the aperture affects not only the amount of light but also the depth of field.
改变光圈不仅影响进光量，还影响景深。
Professional photographers experiment with different apertures to achieve various artistic effects.
专业摄影师会尝试不同的光圈来达到各种艺术效果。
The lens's maximum aperture is indicated by its f-number, such as f/2.8 or f/4.
镜头的最大光圈由其f数值表示，如f/2.8或f/4。
To capture a fast-moving subject, a wide aperture combined with a high shutter speed is ideal.
要捕捉快速移动的物体，宽光圈与高速快门的组合最为理想。