introductory
/ˌɪntrəˈdʌktəri/📚 9090 26 1四级六级GREgmatsatAn 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: