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ultrasound
ʌltrəsaʊnd ˈʌltrəˌsaʊnd
N-UNCOUNT [usually NOUN n] 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. 超声波
  • 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。

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