英语词汇“crystal headphones”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	crystal headphones
释义	crystal headphones crystal headphones [′krist·əl ′hed‚fōnz] (engineering acoustics) Headphones using Rochelle salt or other crystal elements to convert audio-frequency signals into sound waves. Also known as ceramic earphones.
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