an instrument for detecting physical signs of the tension that goes with lyingintelligence agents were trained to fool the polygraph
intelligence agents were trained to fool the polygraph
lie detector
in 1871
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。