polygraph
🇺🇸
/ˈpɑːliɡræf/
🇬🇧
/ˈpɒliɡrɑːf/
noun
R
A lie detector is a machine that helps find out if someone is telling the truth or not, often used by police.
The suspect was asked to take a polygraph test to verify his innocence.
嫌疑人被要求进行测谎测试以证明他的清白。
translation
测谎仪
词形变化
Plural
polygraphs