junk mail
英 [ˈdʒʌŋk meɪl]
美 [ˈdʒʌŋk meɪl]
n. (未经索要寄来的)邮寄广告宣传品，垃圾广告邮件
牛津词典
noun
- （未经索要寄来的）邮寄广告宣传品，垃圾广告邮件
advertising material that is sent to people who have not asked for it
柯林斯词典
- （未经索取便寄来的）邮寄广告宣传品，垃圾邮件
Junk mailis advertisements and publicity materials that you receive through the post or by e-mail which you have not asked for and which you do not want.
英英释义
noun
- third-class mail consisting of advertising and often addressed to `resident' or `occupant'