n.孔；孔径；光圈；缝隙
We saw light through a small aperture in the wall. 我们透过墙上的小孔看到了亮光。
The only light came through a narrow aperture. 仅有的光来自一个小孔。
Into this aperture a droplet of mercury was poured. 一小滴水银滴进了这个小孔。
The ACSL electrical-waveform generator consists of two striplines coupled through an aperture in their common ground plane. 一个电脉冲整形器由两条通过其公共接地板上的耦合孔径发生耦合作用的带状传输线所组成的四端口装置。
What aperture are you using? 你使用多大的光圈?
Taking up her camera, she adjusted the aperture. 她端起照相机，调了一下光圈。
The aperture in the door is so wide. 门上的孔隙太大了。
The soldier fired the rifle through a narrow aperture in a pile of sandbags. 士兵用步枪通过沙袋掩体的缝隙射击。
孔缝
