英语词汇“grease-spot photometer”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	grease-spot photometer
释义	grease-spot photometer noun : a photometer in which a grease spot on a piece of paper becomes invisible when a light on each side of the paper illuminates the spot equally
随便看	poncirus pond pond pondage pond apple pond bald cypress pondbush pond cypress pond dogwood pond duck ponded ponder ponderability ponderable ponderably ponderal ponderal ponderal index ponderance ponderancy ponderate ponderation pondered ponderer pondering

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