pulse hologram

例句：

1. 1. He felt his pulse quicken as he stood up.
   他站起来时感觉到脉搏加快了。
2. 2. The doctor checked her pulse to make sure she was still breathing.
   医生检查了她的脉搏，以确保她还活着。
3. 3. She took a deep breath and counted her pulse before speaking again.
   她在再次说话前深呼吸并数了数脉搏。