英语词汇optical sound怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optical sound
释义	Definition of optical sound in English: optical sound noun Recorded sound represented by a pattern of light and dark alongside the frames of a film. Origin 1960s; earliest use found in McGraw-Hill Encyclopedia of Science and Technology. Definition of optical sound in US English: optical sound noun Recorded sound represented by a pattern of light and dark alongside the frames of a film. Origin 1960s; earliest use found in McGraw-Hill Encyclopedia of Science and Technology.
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英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

Definition of optical sound in English: