formations FREQ #23537 n. 队形;形态;形成(formation的复数形式) 释义与例句 n. 1. plural of formation 相关短语 back formations Christmas tree formations reticular formations I formations pattern formations word formations T formations missing man formations rock formations loan formations back formation 逆成法 reticular formation 网状结构 pattern formation word formation 造词法 I formation 【美式橄榄球】形进攻阵式