| 单词 | echocardiography | 
| 释义 | echocardiographynoun  echo·car·di·og·ra·phy  ˌe-kō-ˌkär-dē-ˈä-grə-fē     plural echocardiographies     : the use of ultrasound to examine the structure and functioning of the heart for abnormalities and disease    echocardiographer   ˌe-kō-ˌkär-dē-ˈä-grə-fər noun  echocardiographic   ˌe-kō-ˌkär-dē-ə-ˈgra-fik adjective | 
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