preliminary
🇺🇸
/prɪˈlɪmɪneri/
🇬🇧
/prɪˈlɪmɪnəri/
coming before the main part
We did some preliminary tests before starting the main experiment.
在開始主要實驗之前,我們進行了一些初步測試。
something done first to prepare for what comes next
The meeting was just a preliminary to the main conference.
這次會議只是主要會議的前奏。