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ultrasound是什么意思？

ultrasound

英[ˈʌltrəsaʊnd] 美[ˈʌltrəˌsaʊnd]
  • 复数：ultrasounds;
    • 例句
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    柯林斯高阶英汉双解学习词典释义
    • N-UNCOUNT
      超声波
      Ultrasound is sound waves which travel at such a high frequency that they cannot be heard by humans. Ultrasound is used in medicine to get pictures of the inside of people's bodies.
      例句
      I had an ultrasound scan to see how the pregnancy was progressing. 我进行了超声波检查，看看妊娠情况如何。
    英英词典释义
    • Noun
      1. very high frequency sound; used in ultrasonography
      2. using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
    行业词典
    • 医学： 超声：一种机械放射能(见sound)，其频率大于每秒20000周；见ultraso-nics；
      电工： 超声；