名词
中文翻译：Unknown
同义词：
['hematoma', 'hematoma', 'hemorrhage']
例句：
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1. The patient had a severe hemorrhage and needed immediate medical attention.
患者出现了严重的出血，需要立即医疗救治。
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2. He sustained a hematoma on his head after falling from a tree.
他从树上摔下来后头部受伤形成了血肿。
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3. The doctor advised the patient to avoid activities that could cause further hemorrhages.
医生建议病人避免可能导致进一步出血的活动。