Definition: sounds that you can hear that are not the main sounds that you are listening to Level: B2
轻柔播放的东方音乐营造了轻松的氛围。
The oriental music playing softly in the ___background created a relaxing atmosphere.
当背景中一直有喋喋不休的说话声时，我发现很难集中注意力。
I find it hard to concentrate when there's constant chatter in the ___background.
