You might need to deliver a speech to the user or your guided tour might have an audio component. That is fine.

有时你必须使用声音文件，比如你要给用户发送一份演讲，或者你的教程包含声音。

youdao

The crest of Parasaurolophus would likely have been brightly colored by these proteins, but it had another use too... as an audio component.

副栉龙的冠饰可能由于蛋白质而富于颜色，但它还有另一个用处，那就是音频部件。

youdao

It just so happened he was an engineer for a major home audio component manufacturer that needed a small group of inspectors to work on a new project.

事情就这样发生了，他是一个工程师为一家较大的家庭音响部件工厂工作，那里一个新的项目需要一个检查小组。

youdao

It utilizes a phone's digital compass, and read out the direction the user is facing, something that is apparently very important when navigating through public transport, while the audio component opens up Google Map features in a non-visual way.

ENGADGET: Georgie app offers up Android features and voice-guided menus for the blind: we go hands-on (video)

Last year, Dutch chip-maker NXP released a new type of mobile audio component -- the TFA9887 -- that allowed a mobile device to monitor its speaker system in real-time in order to max out volume without risking damage to the driver.

ENGADGET

It of course has every type of hook up that a high-end player would have, including balanced XLR inputs for you audio folks and component RGBHV outputs for you projector guys and gals.

ENGADGET: 35lb, $6,500 1080p upscaler DVD player HD