When you send an e-mail you can also send a file as an attachment and that file can be a graphic, a program, a sound or whatever.

当发送电子邮件时，你还可以把一份文件作为附件发送，该文件可以是图片、程序、或声音文件等。

《柯林斯英汉双解大词典》

You cannot send a file because a file transfer is already in progress.

您无法发送文件，因为文件传输正在进行。

youdao

What does it take to send a file from a phone to a printer, as depicted in Figure 2?

如果从电话向打印机发送文件，就像图2中表示的那样，需要什么呢？

youdao

Police have said they will send a file to the Public Prosecutions Service about the actions of some protesters.

BBC: Northern Ireland

But if a rover on the Martian surface wants to send a file back to earth, this is an inefficient way of doing it.

ECONOMIST: An interplanetary Internet: The wire of the worlds | The

That button will allow you to print to your 3D printer, or send a 3D file to be created for you at a long print shop or in mass quantity in software enabled factory.

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