名词
中文翻译：血肿
同义词：
['hematoma', 'hematoma']
例句：
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1. He had a small ecchymoma on his forehead that wasgradually fading away.
他额头上有一个逐渐消退的小血肿。
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2. The doctorremoved the ecchymoma and stitched upthe wound.
医生取出了血肿，缝合了伤口。
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3. Ecchymomacan be caused by trauma or injury tothe skin, and it may require medicalattention.
血肿可能是由于皮肤受到创伤或伤害引起的，可能需要医疗关注。