melt into the background

• 逐渐消失,渐渐由浓变淡

melt into the background的用法和样例：

例句

1. The airliner faded away into the mist.
   客机逐渐消失在雾中。
2. The need for that kind of books has petered out.
   对那种书的需求逐渐消失了。