1. 不可数名词：形成，构成，组成
2.[C,,U]构成物；形态，结构
3.[C,U]队形；阵式 词形变化
- 形容词 formational
- natural process that causes something to form
- a particular spatial arrangement
- the fabrication of something in a particular shape
- creation by mental activity
- (geology) the geological features of the earth
- an arrangement of people or things acting as a unit
- the act of forming something