introductory

/ˌɪntrəˈdʌktəri/📚 9090 43 1四级六级GREgmatsat
An introductory remark, talk, or part of a book gives a small amount of general information about a particular subject, often before a more detailed explanation. 引言的

adjective [原级]引导的,介绍的;入门的,初步的;(新产品)试销的

This notice says that all the introductory marketing classes are closed.
这一通知说,所有的市场营销入门课程都结束了。

单词造句: