1、It might be helpful to have certain dialogues fade in and out or to overlap sounds with dialogue.
讓一些對話淡入和淡出或者重疊聲音和對話，可能比較有幫助。

2、Changes the overall blend factor. Use this to fade in and out the blend layer.
改變整體的混合因素。產(chǎn)生混合層的淡入淡出。

3、This has a black background, with fireworks that fade in and out of the background.
這是一個(gè)黑色的背景，與煙花爆竹的褪色和退出的背景。

fade in and out翻譯