chāo​shēng​bō

ultrasound

超声波 (超聲波) chāo​shēng​bō
ultrasound noun
ultrasound (scan)

The technician used ultrasonic technology to detect cracks in the metal pipes.

Frequency

Movie subtitles
2.65 per million appears in 1% of films
Written text
2.20 per million

Sources

Definitions
CC-CEDICT