n.形成,构成,结构,形成物,编队,队形
the formation of a new government
组成新政府
He was flying in formation with seven other jets.
他和其他7架喷气机一起列队飞行。
They saw a squadron of fifteen motorcycle policemen driving in V-formation.
他们看见15名警察骑着摩托车排成V字形前行。