pulse front edge

例句：

1. 1. He was having a pulse when I arrived.
   我到达时，他正在有脉搏。
2. 2. The doctor checked his pulse to make sure he was okay.
   医生检查了他的脉搏以确保他没事。
3. 3. She felt her pulse quicken as she stood up.
   她站起来时感觉到脉搏加快了。