背景里是那没完没了的哼哼声。

In the background was that eternal hum.

《柯林斯英汉双解大词典》

背景里有警笛声，所以我没听到答案。

There's a siren in the background so I missed the answer.

youdao

在几乎光秃秃树下，落叶像地毯一样铺在地上，背景里的绿色草地，留下了逝去的夏天的回忆。

A carpet of fallen leave beneath nearly bare trees, with green grass in the background serving as a memory of the summer gone by.

youdao

But what if of certain abusive families and any religious background in location who really confine women to their home?

但是，如果在某些发生虐待现象的家庭里,有着某种宗教背景,而这种宗教背景又允许监禁妇女的情况发生呢？

普林斯顿公开课 - 人性课程节选

they were thrilled to see the subway station, the train station because they notice right way it didn't look like the train station that they are familiar with and they could see the little shops in the background.

孩子们看到地铁，和火车站的时候很高兴,因为他们立刻意识到,这里的火车站,和他们的所熟悉的火车站不一样,他们能看见背景里的小商铺。

麻省理工公开课 - 媒体、教育、市场课程节选

I hope that makes sense as background, and I'm just going to basically illustrate that basic concept with a few examples throughout the rest of the lecture.

我希望将这些作为背景,在这堂课接下来的时间里,我会用一些例子来说明这些基本的概念

耶鲁公开课 - 生物医学工程探索课程节选