in·tro·duc·to·ry
adjective/ˌɪntrəˈdʌktəri/
/ˌɪntrəˈdʌktəri/
- written or said at the beginning of something as an introduction to what follows
序言的；引导的；介绍的 - introductory chapters/paragraphs/remarks
序篇；引言段；开场白
- introductory chapters/paragraphs/remarks
- intended as an introduction to a subject or an activity for people who have never done it before
入门的；初步的 - introductory courses/lectures
基础课程／讲座 - The booklist at the end of the chapter contains some introductory reading on the subject.
章节末尾的书单列出了一些有关该主题的导读材料。
- introductory courses/lectures
- offered for a short time only, when a product is first on sale
（新产品）试销的 - a special introductory price of just $10
仅 10 美元的优惠上市价 - This introductory offer is for three days only.
本试销优惠只为期三天。
- a special introductory price of just $10
Word Originlate Middle English (as a noun denoting an introductory text): from late Latin introductorius, from Latin introducere, from intro- ‘to the inside’ + ducere ‘to lead’.