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。He was flying in formation with seven other jets.他和其他7架喷气机一起列队飞行。The aircraft are flying in formation.飞机编队飞行....
Many genes are involved in the formation of anthocyanin pigments in the aleurone.糊粉层中花青素的形成涉及到许多基因.The troops broke formation and ran.士兵们溃逃。The endpoint was defined as small formation or visible dispersion of debris from...