very high frequency sound; used in ultrasonography
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
例句
用作名词 (n.)
Mini ultrasound machines are changing the way doctors work. 迷你超声机器改变着医生们的工作方式。
Enlargement of the ice ball is monitored by intraoperative ultrasound. 冰球的扩大是由手术中超声来监控的。
The new technology is smaller and cheaper than regular ultrasound machines. 新仪器比传统的超声波仪更小巧而且更便宜。
经典引文
During an ultrasound scan, sound waves bounced off the unborn baby produce an image.
美
['ʌltrəsaʊnd]
