prerequisite
🇺🇸
/ˌpriːˈrekwəzɪt/
🇬🇧
/ˌpriːˈrekwəzɪt/
required before something else can happen
Having prerequisite skills is necessary before taking the advanced course.
在參加高級課程之前,具備先決技能是必要的。
something that must be done or learned first
Completing the beginner course is a prerequisite for the advanced class.
完成初級課程是參加高級課程的前提條件。