blood sampling pipet

例句：

1. 1. Blood samples are collected fromthe patient's arm to test forinfection.
   从患者的手臂采集血液样本以检测感染。
2. 2. The nurse carefully placed the bloodsampling pipet into the patient'sarm.
   护士小心翼翼地将血液采样管放入患者的手臂。
3. 3. The doctor ordered a blood sampleto check the patient's vital signs.
   医生要求抽取一个血液样本来检查患者的体征。