background的中文意思、音标与词形变化

n. 背景, 背景资料 [计] 背景, 后台

n. a person's social heritage: previous experience or training n. the part of a scene (or picture) that lies behind objects in the foreground n. information that is essential to understanding a situation or problem n. extraneous signals that can be confused with the phenomenon to be observed or measured