preparatory school预备学校;预科学校
preparatory function[计] 准备功能;[计] 预置功能;预备功能;准备机能
Preparatory cost准备成本;翻译
preparatory grinding粗磨
preparatory command预令
Legal preparatory法律预科
preparatory courses预科;预备科目;预备课程
Construction preparatory建筑工程预科
Preparatory Functton准备功能;备功效
The assembled behavior is a preparatory act and instrument, and the crime is the real purpose.
聚众行为是预备行为,聚众行为和后一行为是手段和目的的关系。
参考来源 - 聚众犯罪司法适用若干问题研究（研究生论文）ADJ（形容词） Preparatory actions are done before doing something else as a form of preparation or as an introduction. 准备性的
At least a year's preparatory work will be necessary before building can start.
在建造开始之前至少需要一年的准备工作。