阿肯色州居民朱莉娅。格温伯格知道自己怀孕了，但当去做超声波检查的时候，医生告诉她说她怀上了两个宝宝却并不是双胞胎。
Arkansas resident Julia Grovenburg knew she was pregnant, but when she got an ultrasound, her doctor announced that she was carrying two babies who were not twins.
如果心跳极不正常，那么许多医生会要求做昂贵但彻底的心脏超声波检查。
If the heartbeat sounds remotely atypical, many doctors prescribe a conclusive, and expensive, echocardiogram test.
要诊断是否患有前列腺癌，方法其实很简单，只要去医院，找泌尿科医生或者负责超声波的医生做(活组织)切片检查就行了。
The diagnosis of prostate cancer can be made by a fairly simple biopsy that can be performed in a doctor's office by a urologist or by some ultrasound doctors.
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