名词
中文翻译：血迹
同义词：
['bloodstain', 'stain of blood']
例句：
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1.The detective found a blood stain on the floor where the murder took place.
侦探在谋杀现场的地板上发现了一个血迹。
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2. The victim's blood stained the walls with their final moments.
受害者的血将墙壁染成了他们最后的时刻。
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3. The police were able to identify the blood stain as belonging to the victim's blood type.
警方能够确定这个血迹属于受害者的血型。