英语词汇“fall phonometer”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	fall phonometer
释义	fall phonometer noun : an instrument used in experimental psychology designed to furnish sounds whose intensities are in known ratios by permitting balls to drop from different heights upon plates of metal or slate
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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。