background

background

名词 background:

a person's social heritage: previous experience or training

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

同义词：ground

information that is essential to understanding a situation or problem

同义词：background knowledge

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

同义词：background signal

relatively unimportant or inconspicuous accompanying situation

the state of the environment in which a situation exists

同义词：setting, scope

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

同义词：desktop, screen background

scenery hung at back of stage

同义词：backdrop, backcloth

动词 background:

understate the importance or quality of

同义词：play down, downplay