Aperture stop
[化] 孔阑; 孔径光阑
🧩 词语组成解析
stop
[stɑp]
vi. 停止;中断;逗留;（使）停止工作;
vt. 塞住;堵塞;阻挠;止付;
n. 停止;（管风琴的）音栓;停车站;（管风琴的）音管;
🗣️ 情景例句
How much are the dues?
会费多少？
You really did it this time!
这下你可糟了！
For example, with their help China can send its TV and radio programmes to the other side of the world.
例如，在卫星的帮助下，中国能把自己的电视及广播节目传送到地球的另一边。