ultra-sound

英 ['ʌltrəs'aʊnd] 美 ['ʌltrəs'aʊnd]

• 超声

英英释义

名词 ultrasound:

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