sky background

例句：

1. 1. The artist painted a beautiful sky background for the painting.
   这位艺术家为这幅画绘制了一幅美丽的天空背景。
2. 2. The movie's opening scene was set against a sky background of stars and clouds.
   电影开场的场景是在一个星星和云朵的天空背景下展开的。
3. 3. The photographer captured the stunning sky background during sunset.
   摄影师在日落时捕捉到了令人惊叹的天空背景。