preparatory /prɪˈperəˌtori/ Brit /prɪˈpærətri/ adjective /prɪˈperəˌtori/ Brit /prɪˈpærətri/
adjective
Learner's definition of PREPARATORY
always used before a noun
: used or done to prepare for something准备的;预备的
preparatory to
formal
: as a way of becoming ready for (something) : in preparation for (something)做…的准备;为…做准备