address book        
noun [ C ] UK uk/əˈdres ˌbʊk/ us/ˈæd.res ˌbʊk/ (US address book)
 (电脑上用于存放联系人姓名和邮件地址的文件)通讯录
a computer document that keeps a list of names and email addresses
  (手写)通讯录
a book in which you write people's addresses
 
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