动词
中文翻译：抽取血液同义词
同义词：
['draw blood', 'draw blood from', 'take a blood sample', 'obtain a blood sample']
例句：
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1. Doctors often need to draw blood for testing.
医生经常需要抽取血液进行测试。
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2. The patient had to have a blood test before surgery.
患者在手术前必须进行一次血液检查。
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3. Blood samples are collected from the patient's arm.
从患者的手臂采集血液样本。