名词
中文翻译：血石
同义词：
['hematomyelia', 'hematoma']
例句：
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1.He was diagnosed with a haematolithus in his brain.
他的大脑被诊断出有血石症。
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2.The patient's condition worsened after the surgery, and a haematolithus was found in his lungs.
手术后，患者的病情恶化了，肺部发现了血石症。
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3. The doctor explained that haematolithus can be caused by trauma or infection.
医生解释说，血石症可能是由于创伤或感染引起的。