光源离不透明物体越近，影子就越大；相反距离越远，影子就越小。

光源离不透明物体越近，影子就越大；相反距离越远，影子就越小。

Results (English) 1:

The closer the light source is to the opaque object, the larger the shadow; the farther away, the smaller the shadow.

Results (English) 2:

The closer the light source is to an opaque object, the larger the shadow, and the farther away the opposite, the smaller the shadow.

Results (English) 3:

The closer the light source is to the opaque object, the larger the shadow will be; on the contrary, the farther the distance is, the smaller the shadow will be.