background

名词 background:

1. a person's social heritage: previous experience or training
2. the part of a scene (or picture) that lies behind objects in the foreground
   同义词：ground
3. information that is essential to understanding a situation or problem
   同义词：background knowledge
4. extraneous signals that can be confused with the phenomenon to be observed or measured
   同义词：background signal
5. relatively unimportant or inconspicuous accompanying situation
6. the state of the environment in which a situation exists
   同义词：setting, scope
7. (computer science) the area of the screen in graphical user interfaces against which icons and windows appear
   同义词：desktop, screen background
8. scenery hung at back of stage
   同义词：backdrop, backcloth

动词 background:

1. understate the importance or quality of
   同义词：play down, downplay

1. It is wrong to differentiate between people according to their family background.
   根据出身不同而区别待人是不对的。
2. She came from a privileged background.
   她出身於特权阶层。
3. With my working-class background I feel like a fish out of water among these high-society people.
   我出身於工人阶级，在上流社会中感到很不自在。
4. He had the idea of shooting them against a complete plain white background.
   他有个主意，以纯白为背景给他们拍摄。
5. He has a working-class background.
   他是工人阶级出身。
6. He stayed in the background to escape from the public attention.
   他呆在幕后为了避开公众的注意。

back.ground

n.Abbr. bg.,bkgd.（名词）缩写 bg.,bkgd.
The ground or scenery located behind something.
背景：位于某物后面的场地或景色

The part of a pictorial representation that appears as if it were in the distance and that provides relief for the principal objects in the foreground.
远景：绘画表现的构成部分，看起来似乎在远处，为使在前景的主要物体形象更突出
The general scene or surface against which designs, patterns, or figures are represented or viewed.
底子，底色：大致的风景或外观，图案、式样或形象以此为背景来描绘或展现
A position or an area of relative inconspicuousness or unimportance.
不重要的地方：相对来说不显著或不重要的位置或地区
The circumstances and events surrounding or leading up to an event or occurrence.
背景资料：围绕或导致某种事件或事变发生的情况或事件
A person`s experience, training, and education:
阅历：某人的经验、训练和教育状况：
例句：
Her background in the arts is impressive.
他在艺术上的阅历令人难忘

Subdued music played especially as an accompaniment to dialogue in a dramatic performance.
配乐：在戏剧演出中特别为对话伴奏的低缓柔和的音乐
Sound or radiation present at a relatively constant low level at a specific location.
背景音乐，基底：在某个特定的位置以一个相对稳定的低水平表现出来的声音或传播

【引伸】
back.ground.
v.（动词）