n. very high frequency sound; used in ultrasonography
n. 超声
[计] 超声
1. The doctor used an ultrasound to check the baby's health.
医生使用超声波检查宝宝的健康状况。
2. Ultrasound is often used to diagnose problems in the abdomen.
超声波常用于诊断腹部问题。
3. Many women get an ultrasound during their pregnancy to see the baby.
许多女性在怀孕期间会做超声波检查以观察胎儿。