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 Optics. the image of the aperture viewed from the objective of an optical system limiting the rays that enter the system. Cf. exit pupil.
随便看	sprung rhythm spry spt. spud spudder Spud Island spue spuky spumante spume spumescent spumone spun spunbonded spun-bonding spun glass spunk spunkie spunky spun rayon spun silk spun sugar spunware spun yarn spur

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