名词
中文翻译：血涂片
同义词：
['blood stain', 'blood spot']
例句：
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1.The doctor examined the patient's blood smear to determine the cause of his illness.
医生检查了患者的血涂片，以确定他生病的原因。
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2.The scientist collected samples from different parts of the body for analysis.
科学家从身体的不同部位收集样本进行分析。
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3. Blood smear tests are used to detect diseases in early stages before symptoms appear.
血涂片测试用于在症状出现之前检测疾病。