英语词汇iris diaphragm怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	iris diaphragm
释义	iris diaphragmn.（名词） A circular device with a variable diameter, commonly used on cameras to regulate the amount of light admitted to a lens.虹彩光圈：直径可变的一种圆形装置，通常用在照像中调节进到镜头上的光量
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英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。