Level 5 · word 8,994 of 20,000
ultrasound
/ˌʌltrəˈsaʊnd/
American
- n. 超声
- n. 超声检查
- Definition
- n. sound waves used to produce images inside the body
- n. the scan itself
- Example
- The doctor used an ultrasound to check the baby's heartbeat.
- 医生用超声波检查了胎儿的心跳。
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