infrared-sensitive film 红外感光胶片
In infrared photography, the film or image sensor used within a digital camera is sensitive to infrared lighting, which allows the camera to pick up any light that's invisible to the human eye.
在红外线摄影中，数码相机上使用的胶片传感器或图像传感器对红外光感光，能让相机拾取人眼不可见的任何光线。
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