名词
中文翻译：Unknown
同义词：
['liver echo', 'hepatic ultrasound']
例句：
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1. He underwent a liver echo test to detect any abnormalities in his liver.
他接受了一次肝超声检查，以检测肝脏是否存在异常。
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2. The doctor ordered an ultrasound of the liver to rule out any potential liver problems.
医生要求进行一次肝超声检查，以排除潜在的肝脏问题。
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3. During the examination, the doctor detected a small hepatic echo that indicated the presence of a small tumor inthe patient's liver.
在检查过程中，医生发现了一个小型的肝回声，表明患者肝脏中存在一个小肿瘤。