vt.向…提供详细的背景材料；n
He is not adoptable for his family backgroud. 由于他的出身，他是不能被收养的。
I have no backgroud;I am my own best backgroud. 我没有背景，我就是我自己最好的背景。
His family backgroud isn’t well. 中国象棋下得很不错。
People crowded to the backgroud,met her and congratulated her. 人们拥向后台，去跟她见面，向她祝贺。
More than 3 years sales backgroud in Electronics component field. 3年以上电子元器件行业销售背景。
