中文翻译与英英解释 | 【摄影】光圈。
| | | iris: n. (pl. -es; irides ) 1.【解剖学 ... | | diaphragm: n. 1.膈膜，膜。 2.【物理学】光圈，光阑。 3.【 ... | |
| diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
同义词：iris,
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例句与用法 | 1. | The condenser is equipped with an iris diaphragm , a shutter controlled by a lever which is used to regulate the amount of light entering the lens system
聚光镜装配有瞳孔膜，那是一个有贡杆控制的快门，用来调节进入镜头系统的光量。
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