Level 5 · word 7,219 of 20,000

introductory

/ˌɪntrəˈdʌktəri/ American
  • adj. 介绍的, 引导的, 开端的
Definition
  • adj. serving as an introduction or beginning to something
Example
The teacher gave an introductory lesson before the exam.
老师在考试前上了一堂入门课。