• n. 孔，穴；（照相机，望远镜等的）光圈，孔径；缝隙

来自词根aper, 开口。

aperture (n.)

early 15c., from Latin apertura "an opening," from apertus, past participle of aperire "to open" (see overt).

1. Use a small aperture and position the camera carefully.

用小光圈，仔细调整相机位置。

来自柯林斯例句

2. Through the aperture he could see daylight.

透过缝隙，他能看见日光。

来自柯林斯例句

3. For flash photography, set the aperture at f.5.6.

用闪光照相，要把光圈孔径定为5.6。

来自《权威词典》

4. Into this aperture a droplet of mercury was poured.

一小滴水银滴进了这个小孔.

来自《简明英汉词典》

5. The only light came through a narrow aperture.

仅有的光亮来自一个小孔.

来自《现代汉英综合大词典》