| 单词 | introduction | 
| 释义 | introductionnoun  in·tro·duc·tion  ˌin-trə-ˈdək-shən  1   : something that introduces: such as    a(1)    : a part of a book or treatise preliminary to the main portion    (2)    : a preliminary treatise or course of study    b    : a short introductory musical passage   2   : the act or process of introducing : the state of being introduced   3   : a putting in : insertion   4   : something introduced    specifically : a new or exotic plant or animal  introduction nounas in prefacea short section (as of a book) that leads to or explains the main part a leading biologist wrote the introduction to that new textbook Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
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