preparatory
adjective uk/prɪˈpær.ə.tər.i/ us/prɪˈper.ə.tɔːr.i/ (also preparative)
准备性的，预备性的;引导性的
done in order to get ready for something
preparatory work 准备工作
Differences over these issues narrowed during the preparatory meetings/talks. 在预备会议／会谈中，这些问题上的分歧缩小了。
He discovered new chemical reactions and introduced improved preparative techniques.
- More examples
- The exhibition brings together the artist's original drawings and preparatory sketches.
- More than 70% of those who completed the preparatory programme went on to find employment.
- Several projects are already underway and many more are in their preparatory phases.