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ultrasonic

/ˌʌl.trəˈsɒn.ɪk/

翻译: 指频率高于人类听觉上限的声波,即频率超过约20千赫的声波。也指与这种声波相关的、利用这种声波工作的设备或技术。

1 个条目

adjective

/ˌʌl.trəˈsɒn.ɪk/C1formaltechnical
  • zh指频率高于人类听觉上限的声波,即频率超过约20千赫的声波。也指与这种声波相关的、利用这种声波工作的设备或技术。

Relating to sound waves with frequencies higher than the upper audible limit of human hearing.

  1. Sound beyond human hearingC1formalscientific

    Relating to sound waves with frequencies higher than the upper limit of human hearing, typically above 20,000 hertz.

    zh超声的

    • Ultrasonic waves are used in medical imaging to create pictures of internal organs.
    • The device emits ultrasonic frequencies to clean jewelry without damage.
    • Bats use ultrasonic echolocation to navigate in the dark.
词形
  • more ultrasonic comparative form
  • most ultrasonic superlative form