名词

可数名词：

1. 个人背景，出身

2. 背景，后景，底色

[U,C]

1.（事情发生的）背景情况

2. 背景声，杂音

英语解释

the state of the environment in which a situation exists

relatively unimportant or inconspicuous accompanying situation

a person's social heritage: previous experience or training

the part of a scene (or picture) that lies behind objects in the foreground

scenery hung at back of stage

understate the importance or quality of

extraneous signals that can be confused with the phenomenon to be observed or measured

information that is essential to understanding a situation or problem

(computer science) the area of the screen in graphical user interfaces against which icons and windows appear