fade in and out造句

1、It might be helpful to have certain dialogues fade in and out or to overlap sounds with dialogue.
让一些对话淡入和淡出或者重叠声音和对话，可能比较有帮助。

2、Changes the overall blend factor. Use this to fade in and out the blend layer.
改变整体的混合因素。产生混合层的淡入淡出。

3、This has a black background, with fireworks that fade in and out of the background.
这是一个黑色的背景，与烟花爆竹的褪色和退出的背景。