The photochemical reactions transform the light into electrical impulses.
光化学反应使光变为电脉冲。
《牛津词典》
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But using genetic engineering Dr Van der Meer and his colleagues have coupled the light-generating reactions in bacteria to metabolic processes associated with handling pollution.
By indexing the two types of fear reactions in the presence of increased light, the researchers learned that the image-forming pathway of the rods and cones had the modulating effect on fear.