英语词汇“crystal set”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 set
释义	WordReference Random House Unabridged Dictionary of American English © 2024 crys′tal set′, Radio and Televisionan early, tubeless radio receiver using a crystal detector. Collins Concise English Dictionary © HarperCollins Publishers:: crystal set n an early form of radio receiver having a crystal detector to demodulate the radio signals but no amplifier, therefore requiring earphones
随便看	directive direct labor direct lighting directly direct mail direct-mail direct-mailer direct marketing direct method directness direct object directoire director directorate director general director-general directorial director of photography director of public prosecutions director's chair directors general directorship directory directory assistance direct positive

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