brachial stethoscope

例句：

1. 1.Doctors use a brachial stethoscope to listen to the heartbeat of their patients.
   医生使用桡动脉听诊器来听患者心脏的跳动。
2. 2.The nurse carefully placed the brachial stethoscope on the patient's chest.
   护士小心地把桡动脉听诊器放在病人的胸口上。
3. 3. During the exam, the doctor used the brachial stethoscope to listen to the patient's lungs.
   在检查期间，医生用桡动脉听诊器听病人的肺部。