The discovery I have made and which I call Heliography, consists in reproducing spontaneously, by the action of light.

我将这次探索的结果称为日光图，在于借着光的作用自发再现。

youdao

Solar cells work by the action of light on electrons.

太阳能电池通过电子光运动来工作。

youdao

Photographs are produced by the action of light on film.

照片是由光线对底片发生作用而形成的。

youdao

When Foster speaks of "the spiritual dimension" of architecture, and its power to "lift the spirit, " he's talking about the action of light in space.

CNN: ASIANOW - TIME Asia

It will consider whether to take further action in light of the Postal Service news, he said.

WSJ: U.S. Postal Service to Cut Saturday Mail

The Committee took this action in light of evidence pointing to a weakening of economic activity and a reduction in inflationary pressures.

FORBES: Joint Statement by Central Banks