Definition: emails that you do not want, usually advertisements Level: C1
我收到的大多数邮件都是垃圾邮件。
Most of the emails I receive are ___spam.
我每天都要从收件箱中过滤掉垃圾邮件。
I have to filter out ___spam from my inbox every day.
公司的邮件服务器受到保护，防止垃圾邮件和网络钓鱼攻击。
The company's email server is protected against ___spam and phishing attacks.
