I positioned the main light as close as possible to the camera, but just outside the camera viewfinder.

我将主光尽量的放在我的相机旁，但是又不进入相机的取景器。

youdao

Fill flash is when you are outdoors for example and the light you are getting from the sun is the main light. Fill flash is just that.

现在来谈谈闪光灯补光，补光是指当你在户外，阳光是主要光源时，闪光灯用来照亮阳光给人物带来的阴影等影响(如兔眼等)。

youdao

Face the light: Lights can dispel shadows and create soft features on your face, so always try to turn your face toward the main light source.

面朝光线：光线能驱散阴影，让五官显得柔和。所以，自拍时要尽量面朝主要光源。

youdao

The main ray of light for Lilly is its research pipeline: Richard Evans of Sanford C.

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