1.  ultrasound
2.  hyperacoustic
3.  ultraphonic

• 1. 超声: ultrasound | ultrasonography | Ultrasonic | DUS | supersound
• 2. 超声波: ultrasonic wave | ultrasound | supersonic wave | UT
• 3. 超声波焊接: ultrasonic welding | ultrasonic soldering | Ultrasonic Weldable | supersonic welding

更多释义

• 1.超声波扫描显示她怀了双胞胎。
  Ultrasound showed she was expecting twins.
  dict.yoduao.com
• 2.我做了超声波扫描，检查妊娠情况。
  I had an ultrasound scan to see how the pregnancy was progressing.
  dict.yoduao.com
• 3.大部分妇女怀孕期间都将进行超声波检查，尽管不是规定性的。
  Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.
  dict.yoduao.com

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