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单词 ultrasonic
释义

ul·tra·son·ic

adjective
/ˌʌltrəˈsɒnɪk/
/ˌʌltrəˈsɑːnɪk/
[usually before noun]
  1. (of sounds) higher than humans can hear超声的
    • ultrasonic waves超声波
    compare infrasonic
    Oxford Collocations DictionaryUltrasonic is used with these nouns:
    • wave
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更新时间:2026/5/6 11:47:42