单词	sonographer
释义	sonographer noun so·​nog·​ra·​pher sō-ˈnä-grə-fər  plural sonographers : a person specializing in the use of ultrasound for diagnostic medical imaging : a health care professional trained and typically certified or licensed to use imaging equipment that transmits high-frequency sound waves to produce images or videos of internal body organs or tissues for visual examination and measurement or for diagnostic purposes … the sonographer can move the scanner to find landmarks, such as blood vessels, that can help pinpoint the location of the tissue or organ under investigation. Paul R. Moran et al. "You won't feel a thing," sonographer Ellie Morris promises as she prepares to scan my heart at Massachusetts General Hospital in Boston. John Dyson called also ultrasonographer Word History First Known Use 1974, in the meaning defined above Medical Definition sonographer noun so·​nog·​ra·​pher sō-ˈnäg-rə-fər  : a health care professional trained and typically certified or licensed to use imaging equipment that transmits high-frequency sound waves to produce images or videos of internal body organs or tissues for visual examination and measurement or for diagnostic purposes : a person specializing in the use of ultrasound for diagnostic medical imaging called also ultrasonographer
随便看	authority authority figure authority to pay authority to purchase authorization authorizations authorize authorized authorized capital Authorized Version authorizer authorizers authorizes authorizing authorless authors authorship authorships autism autism spectrum disorder autisms autist autistic autistic disorder autistic savant

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