英汉词典

1. 邮政;邮政系统
    The mail is the public service or system by which letters and parcels are collected and delivered.

    e.g. Your check is in the mail...
           您的支票正在邮递中。
    e.g. People had to renew their motor vehicle registrations through the mail...
           人们必须以书信方式重新登记机动车辆。

2. 邮件;信件;邮包
    You can refer to letters and parcels that are delivered to you as mail .

    e.g. There was no mail except the usual junk addressed to the occupier...
           除了寄给业主的常见垃圾信件之外，再没有其他邮件了。
    e.g. Nora looked through the mail.
           诺拉大致看了一下那封信。

3. 寄出;邮寄
    If you mail a letter or parcel to someone, you send it to them by putting it in a post box or taking it to a post office.

mail的解释

    e.g. Last year, he mailed the documents to French journalists...
           他去年把这些文件寄给了法国记者。
    e.g. He mailed me the contract...
           他把合同邮寄给了我。