pulse edge

例句：

1. 1.The heart's pulse edge is the thinnest part of the artery.
   心脏的脉搏边缘是动脉中最薄的部分。
2. 2.The surgeon carefully removed the pulse edge from the patient's chest.
   外科医生小心翼翼地从病人的胸腔中取出了脉搏边缘。
3. 3.The researcher found that the pulse edge was responsible for the patient's recovery.
   研究人员发现，脉搏边缘是患者康复的原因。