polygraphs
n.
（描记脉搏、呼吸速率的）多种波动描记器( polygraph的名词复数 );
例句:
-
You can guess, of course, whether the man was answering truthfully - but today's polygraphs cannot.
当然,你可能猜想这家伙在说假话, 但今天所用的测谎仪却不能.
-
Polygraphs, after all, are not administered by licensed medical professionals.
来自NEWYORKER
-
Polygraphs take various physiological measures, like heart rate, breathing rate, and blood pressure.
来自BBC
-
Or should all gun owners submit to polygraphs re their thoughts about suicide and violent acts.
来自WSJ