ultrasound

🇺🇸 /ˈʌltrəsaʊnd/ 🇬🇧 /ˈʌltrəsaʊnd/
词频
难度
标签 TOP20000
noun
R

A sound with a frequency higher than the upper audible limit of human hearing.

Dolphins use ultrasound to communicate underwater.

海豚使用超声波在水下进行交流。

R

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.

医生使用超声波检查胎儿在子宫内的发展情况。

translation

n. 超声波, 超声波检查

词形变化

Plural ultrasounds