Expose the difference between the pronunciation of "Bao" and "Pu"

The difference between exposure pronunciation bao and pu lies in the application scenario.

The word exposure is pronounced differently in different scenes. In the field of photography, exposure refers to the process of chemical changes when light is projected onto the photosensitive film through the lens. In this technical term, exposure can be read as pu, which means "dry", or as bao, which means "fast". This is because exposure is a fast process. In the field of non-photography, exposure is generally pronounced pu, which has no meaning of fast. The difference between exposure pronunciation bao and pu lies in the application scenario.