首页  汉语词典  英英词典

单词	iris diaphragm
释义	iris diaphragm noun : an adjustable diaphragm of thin opaque plates that can be turned by a ring so as to change the diameter of a central opening usually to regulate the aperture of a lens (as in a camera or microscope)
随便看	sally picker sally port sally-port sally saw sallywood salmagundi salmagundy salmanazar salmi salmiac salmine salmis salmo salmon salmon salmonbass salmonberry salmon boat salmon brick salmon cloud salmon disease salmonella salmonellal salmonellosis salmonfly

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。