late 14c., "vital force in plants and animals;" early 15c., "act of creating or making," from Old French formacion "formation, fashioning, creation" (12c.) or directly from Latin formationem (nominative formatio) "a forming, shaping," noun of action or condition from past participle stem of formare "to form," from forma (see form (n.)). Meaning that which is formed or created" is from 1640s. In geology, "group of rocks having a similar origin or character," 1815. Related: Formational.
实用例句
1. 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。
来自柯林斯例句
2. He was flying in formation with seven other jets.
他和其他7架喷气机一起列队飞行。
来自柯林斯例句
3. the formation of a new government
组成新政府
来自《权威词典》
4. This dispute led to the formation of a new breakaway group.
