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》

Actually, E. coli doesn't sound so bad.

实际上，大肠杆菌听起来并不那么糟糕。

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This article shows how to create and play back custom sound files based on the content of incoming E-mail messages.

这篇文章向您展示了如何根据收到的电子邮件的内容创建和播放定制声音文件。

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You don't get the usual rumbling of an idling engine, just the whisper-quiet whirl of the e-tron's motor (Audi is currently engineering an "e-tron sound" so that outsiders will be able to hear the car) and wind whizzing by.

ENGADGET: Audi A3 e-tron hands-on (video) Hands-on

All E-Series LED TV units as well as the 2.0 and 2.1 E-Series and M-Series Sound Bars will be available both in-store and online through key retailers such as Walmart, Costco, Sam's Club, Target, Amazon and VIZIO.com.

ENGADGET: Four new soundbars from Vizio, just in time for the holidays

Ample expansion is available with two open PCI-E x1 slots for adding a sound, graphics or RAID card and an open PCI-E x16 slot for a video card.

ENGADGET: Acer unveils space-saving ME mini tower and XC desktops for (low) power users