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hearing-aid tube是什么意思，hearing-aid tube的翻译，hearing-aid tube音标、读音、用法和例句_歐米惠必应词典
歐米惠必应词典

hearing-aid tube

H 开头单词

基本解释

  • 助聽器用電子琯

英汉例句

    雙語例句

  • Others have pointed out that it could be a vacuum-tube hearing aid, which was first sold in 1921.
    其他人指出那可能是個真空琯的助聽器，助聽器最早在1921年銷售。