heat-sensing

So they photographed the birds — which don't sweat — with heat-sensing cameras.

于是，研究人员们用热感应照相机对这些不流汗的鸟进行了拍照。

The diamondback rattler has hollow, bony cavities above the nose called pit organs containing ultra-thin, heat-sensing membranes that activate receptors connected to the brain.

响尾蛇位于鼻子上的中空骨腔被称为颊窝器官，内含热敏感的极度薄膜，是与大脑相连的刺激感受器。