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出身、背景、经历

Our students come from very different social and cultural backgrounds.

我们的学生来自非常不同的社会与文化背景。

背景、后方景物

In the photo, snowy mountains rise in the background.

照片里，白雪覆盖的山脉耸立在背景中。

背景资料、来龙去脉

She gave us some background on the company's financial troubles.

她向我们说明了这家公司财务问题的来龙去脉。

幕后、不显眼处常用于 in the background

He prefers to stay in the background and let others speak.

他宁愿待在幕后，让别人去发言。

背景杂音、底噪

The recording picked up too much background from the street.

这段录音收进了太多来自街上的背景杂音。

背景、后台电脑

The update will keep downloading in the background.

更新会在背景持续下载。

背景的、辅助的

Soft background music made the waiting room feel calmer.

轻柔的背景音乐让候诊室显得比较平静。