pulse wound-cleaning machine

例句：

1. 1.She was having a bad time with her husband's recent heart attack.
   她最近与丈夫的心脏病发作时遇到了困难。
2. 2.He felt the pulse of life in his chest.
   他感觉到了生命的跳动在胸中。
3. 3.The doctor checked her pulse to make sure she wasn't having a heart attack.
   医生检查了她的脉搏，以确保她没有心脏病发作。