英语词汇“entrance pupil”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	entrance pupil
释义	entrance pupil noun : the stop in an optical instrument or the virtual image of the stop that determines the angular diameter of the bundle of rays traversing the instrument from a given point in the object space — compare exit pupil
随便看	roentgen meter roentgenogram roentgenograph roentgenographic roentgenographically roentgenography roentgenologic roentgenological roentgenologically roentgenologist roentgenology roentgenometer roentgenometry roentgenoscope roentgenoscopic roentgenoscopically roentgenoscopy roentgenotherapy roentgen ray roentgen-ray tube roentgen sickness roentgentherapy roer roes roesslerite

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。