ultrasound
🇺🇸
/ˈʌltrəsaʊnd/
🇬🇧
/ˈʌltrəsaʊnd/
A sound with a frequency higher than the upper audible limit of human hearing.
Dolphins use ultrasound to communicate underwater.
돌고래는 수중에서 초음파를 사용하여 의사소통합니다.
A medical imaging technique that uses high-frequency sound waves to create images of the inside of the body.
The doctor used an ultrasound to check the baby's development in the womb.
의사는 초음파를 사용하여 자궁 내에서 태아의 발달을 확인했습니다.