pulse trigger action

例句：

1. 1. He was having a bad time with his pulse racing.
   他的脉搏快速跳动，他心情很不好。
2. 2. She took her pulse to check her health.
   她量了脉搏来检查她的健康状况。
3. 3. The doctor checked his patient's pulse before giving him medication.
   医生在给病人用药前先检查了他的脉搏。