英语词汇“principal ray”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	principal ray
释义	principal ray noun 1. : principal visual ray 2. : the one ray of the rays entering an optical instrument from any given point of the object that passes through the exact center of the aperture stop
随便看	ravenousness ravenry ravens ravensara raver ravery raves rave-up ravigote ravin ravinated ravine ravine ravine buck ravined ravine deer raviney raving ravingly ravioli ravish ravishedly ravisher ravishing ravishingly

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