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high tone loudspeaker

  • 高音喇叭

网络释义

  高音喇叭

... High-tone Horn 高音风笛 high tone loudspeaker 高音喇叭 high-falling tone 全降调 ...

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权威例句

  • While the message began its voyage to the cosmos--a 24, 000 year trip to M-13, a cluster of stars in the constellation Hercules, to be exact--visiting dignitaries listened over a loudspeaker while each bit played as a short, high-pitched tone.

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