垃圾邮件的英文：
junk e-mail
spam

参考例句：

No free newspapers or junk mail
请勿发送免费报纸或垃圾邮件

Microsoft chairman Bill Gates is inundated with up to four million e-mails a day - most of them junk.
微软总裁比尔·盖茨现在每天都被淹没在多达四百万封电子邮件中，其中绝大多数都是垃圾邮件。

Generally, the inbox can always receive junk mail.
一般来说，信箱总能收到垃圾邮件。

They are a small group of people fighting the spam plague.
他们是与泛滥成灾的垃圾邮件作斗争的一小群人。

Unauthorized emails are treated as junk after a period of time.
未被授权的电子邮件时间的时期如垃圾邮件被对待。

Don't believe that junk mail you get about you winning a prize draw.
不要相信你收到的关于你在抽奖活动中获奖的垃圾邮件。

You can setup spam blocker to check multiple email accounts.
您可以安装垃圾邮件拦截器检查多个电子邮件帐号。

I am sorry about this but this is the only way I can keep spam under control.
我对这表示非常抱歉，但是这是我能保证垃圾邮件在我控制当中的唯一办法。

hence the use of 'spam' for unwanted e-mail that buries e-mail of significance
因此人们就用spam来指那些把有用信息淹没的垃圾邮件。

Don't believe that junk mail you get about you winning a prize draw-It's just a scam.
不要相信你收到的关于你在抽奖活动中获奖的垃圾邮件——那就是一个骗局。

junk是什么意思：
n. 无用的东西，垃圾食品，中国式帆船
v. 把…当作废物扔弃

There is a motley collection of junk.
有一堆各式各样的废旧杂物。

Junk food hurts children.
垃圾食品危害孩子们（的健康）。

A collection of junk,rubbish,etc
一堆废旧物品、垃圾等

mail是什么意思：
n. 邮政，邮递；邮件；盔甲
v. 邮寄；给…穿盔甲

Send the memo by express mail.
把这份备忘录用快递寄出。

mail and luggage van
邮政行李车

This parcel came in the mail today.
这个包裹是今天邮来的。

spam是什么意思：
n. 午餐肉；垃圾电邮

Nowadays, you can not easily find spam in a grocery.
如今，杂货铺里都不怎么卖猪肉罐头了。

They are a small group of people fighting the spam plague.
他们是与泛滥成灾的垃圾邮件作斗争的一小群人。

Hawaiians eat more spam than any other people in the world.
夏威夷比世界上其它民族要吃掉更多罐头猪肉。