polygraph evidence

• 测谎证据

polygraph evidence的用法和样例：

例句

1. He revealed that half the officers in a key unit failed a polygraph test last year.
   据他透露，半数某关键部门的警官都没能通过去年的测谎鉴定。
2. Polygraph, its work's very similar to any other biofeedback instrument.
   测谎仪的工作原理像其他的身体反馈仪器一样。