background 义务阶段1500 全国卷频次:11
n. backgrounds 2
He had no idea of his background at all.
Add some background information.
It’s now my dream to one day start a group of women’s clubs, helping people from all backgrounds.
in the background 在后面，在幕后
cultural background 文化背景
educational background 学历；教育背景；教育程度
social background n. 社会背景
background music 背景音乐；[电]陪衬音乐
background information 背景资料；背景知识
education background 学历；教育背景
family background 家庭背景
background noise 背景噪声
background color 背景颜色
academic background 学术背景；学历；教育背景
background value 背景值
background image 背景影像
for background （美）供内部参考
white background 白色背景；比色板；比色纸
on background [美国、加拿大英语]仅供参考(不作援引)
business background 工作经历；企业背景；事情履历
political background 政治背景
background radiation 背景辐射；[医]本底辐射
background check 背景调查
背景,經曆;幕後The backward man lacks black background.落後的男子缺少黑色背景.
FAMILY / EDUCATION, ETC. 家庭、教育等
1. [C] the details of a person’s family, education, experience etc.
a person’s family / social / cultural / educational / class background
The job would suit someone with a business background.
2. [C, usually sing., U] the circumstances or past events which help explain why sth is how it is; information about these
the historical background to the war
background information / knowledge
The elections are taking place against a background of violence.
Can you give me more background on the company?
OF PICTURE / PHOTO 图画；照片
3. [C, usually sing.] the part of a picture, photograph or view behind the main objects, people, etc.
a photograph with trees in the background
⇨ compare foreground n. (1)
⇨ note at environment
LESS IMPORTANT POSITION 次要位置
4. [sing.] a position in which people are not paying attention to sb / sth or not as much attention as they are paying to sb / sth else
He prefers to remain in the background and let his assistant talk to the press.
A piano tinkled gently in the background.
There was a lot of background noise (= that you could hear, but were not listening to).
⇨ compare foreground n. (2)
COLOUR UNDER STH 底色
5. [C, usually sing.] a colour or design on which sth is painted, drawn, etc.
The name of the company is written in red on a white background.
▪ in the ‘background
(computing 计) (of a computer program 计算机程序)
not being used at the present time and appearing on the screen behind programs that are being used
⇨ compare in the foreground at foreground n.
⇨ more at merge
1 [countable] someone’s family, education, previous work etc 出身，个人背景
Students with a background in chemistry will probably find the course easier.
It’s important to understand other people, people from different backgrounds.
Do you know anything about his background?
→ See picture of foreground 前景, background 背景
2 [countable, uncountable] the situation or past events that explain why something happens in the way that it does 〔事情的〕背景情况
Without knowing the background to the case, I couldn’t possibly comment.
against a background of something
The peace talks are being held against a background of increasing violence.
background information/details/data etc
The author included a new chapter of background material for the second edition of the book.
3 [countable usually singular] the area that is behind the main thing that you are looking at, especially in a picture 〔尤指图片上主要事物的〕背景，后景
The background looks out of focus.
in the background
In the background, you can see my college friends.
4 [countable] the pattern or colour on top of which something has been drawn, printed etc 〔图画、文字等的〕底子，底色
red lettering on a white background
5 in the background someone who keeps or stays in the background tries not to be noticed 在不显著的位置，在幕后
The president’s advisors are content to remain in the background.
6 [countable, uncountable] the sounds that you can hear apart from the main thing that you are listening to 背景的声音；杂音
in the background
In the background, I could hear the sound of traffic.
All of the background noise made it difficult to have a phone conversation.
1.N-COUNT 可数名词出身背景；学历；经历 Your background is the kind of family you come from and the kind of education you have had. It can also refer to such things as your social and racial origins, your financial status, or the type of work experience that you have.
Moulded by his background, he could not escape the traditional role of strict father…
She came from a working-class background…
His background was in engineering.
2.N-COUNT 可数名词（事件或情况的）背景 The background to an event or situation consists of the facts that explain what caused it.
The background to the current troubles is provided by the dire state of the country’s economy…
The meeting takes place against a background of continuing political violence.
3.N-SING 单数名词背景声音；背景音乐 The background is sounds, such as music, which you can hear but which you are not listening to with your full attention.
I kept hearing the sound of applause in the background…
…police sirens wailing in the background…
The background music was provided by an accordion player.
4.N-COUNT 可数名词（画等的）后景 You can use background to refer to the things in a picture or scene that are less noticeable or important than the main things or people in it.
…roses patterned on a blue background…
Paint the background tones lighter and the colours cooler.
Someone who stays in the background avoids being noticed, although the things that they do are important or influential.在不太显眼的位置；幕后地
Rosemary likes to stay in the background.
[count] a : the part of a scene or picture that is farthest from the viewer : the part of a scene that is behind a main figure or object in a painting, photograph, etc.（绘画、照片等的）背景，后景
Objects in the foreground are drawn larger than those in the background.
a photograph of a house with mountains in the background
The mountains provided a perfect background [=backdrop] for the wedding photos.
b : a surface or color that is behind or around something (such as a printed design)底色；底子
red letters printed on a white background
a background color
[singular] a : a position that attracts little attention幕后；不显眼的位置
He was a shy man who always tried to keep/stay in the background. [=tried to avoid attracting attention] 他性格腼腆，总是尽量避免招人注意。
The war has pushed all other issues into the background. [=has made all other issues less important] 战争使得其他所有问题都变得不重要了。
An ethnic conflict that was simmering away in the background finally erupted into civil war.
b — used to describe something that occurs without requiring attention while something else is also occurring后台；幕后
The software was automatically updated in the background while we continued to work on the data.
c — used to describe something that is heard while something else is being listened to杂音；干扰声
It was hard to enjoy the music because I could hear a dog barking in the background.
a [count] : the events and conditions that help to explain why something happens : the situation in which something occurs（事情发生的）背景
— usually singular通常用单数
We learned about the social and economic background of the American Civil War.
The meetings took place against a background of increasing tension.
b [noncount] : information needed to understand a problem or situation背景资料；背景信息
Let me provide you with some background on this problem.
— often used before another noun常用于另一名词前
[count] : the experiences, knowledge, education, etc., in a person’s past经历；阅历；学历
What is your academic background?
We need to know more about his background before we hire him.
He and his wife come from similar social backgrounds. [=they were raised in similar social environments] 他和妻子有着相似的社会背景。
His writing is influenced by his ethnic background.
— often used before another noun 常用于另一名词前
They ran a background check to make sure the job candidate had no criminal record.