1N-COUNT 引言;序言;导论 The introduction to a book or talk is the part that comes at the beginning and tells you what the rest of the book or talk is about. 引言;序言;导论
Ellen Malos, in her introduction to 'The Politics of Housework', provides a summary of the debates. [+ to]
2N-COUNT [oft in names]入门书;初阶读物 If you refer to a book as an introduction to a particular subject, you mean that it explains the basic facts about that subject. 入门书;初阶读物
On balance, the book is a friendly, down-to-earth introduction to physics. [+ to]
总而言之,这是一本通俗而务实的物理入门书。
...'Psychology and Language: An Introduction to Psycholinguistics'.
5PHRASE [VERB inflects]众所周知;无需介绍 If you say that someone or something needs no introduction, you mean that they are so well known that everyone knows who or what they are. 众所周知;无需介绍
Michael Jackson, of course, needs no introduction.