pulse edge sense network

例句：

1. 1. He felt his heart pounding in his chest.
   他感觉到他的心脏在胸口怦怦直跳。
2. 2. The doctor checked her pulse to make sure she was still alive.
   医生检查了她的脉搏，以确保她还活着。
3. 3. She noticed the rhythmic pulsing of his heartbeat.
   她注意到了他心跳的规律性跳动。