Since oil and sweat are produced na

Since oil and sweat are produced naturally by the human skin, prints will be left on the surface of an object when the fingers come in contact with the object.

Results (Chinese) 1:

由于油和汗被人皮肤自然产生的，将打印对象物的表面上离开时手指进来与物体接触。

Results (Chinese) 2:

由于油和汗液由人体皮肤自然产生，当手指与物体接触时，指纹会留在物体表面。

Results (Chinese) 3:

由于油和汗是由人体皮肤自然产生的，当手指接触物体时，指纹会留在物体表面。