noun🔗Share超声波，超音波 Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz."The doctor used ultrasounds to check the baby's development in the womb. "医生用超声波检查胎儿在子宫里的发育情况。soundmedicinetechnologyphysicsfrequencydeviceChat with AIVocabulary GamePractice Reading
noun🔗Share超声波，超音波。 The use of ultrasonic waves for diagnostic or therapeutic purposes."The doctor used ultrasounds to check on the baby's development in the mother's womb. "医生用超声波检查胎儿在母体内的发育情况。medicinetechnologysoundphysicsdeviceChat with AIVocabulary GamePractice Reading
