Pawl is a simple device which allows a shaft to turn only one way.

掣爪是一种非常简单的只让转轴往一个方向转动的装置。

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It's a simple device that contains a pressure-sensitive button that sends a signal when it is pressed or released.

这个简单的设备包含了一个压力感知按钮，当我们按下或者释放该按钮时它会发送一个信号。

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That used to be a simple device, working like a radio-frequency identification tag when it passes under a gantry on a toll road, but it is also getting smarter.

以往这个车载单元只是一个简单的装置，当车辆通过收费公路入口处时，这个装置就起到了一个无线电频率身份识别标签的作用，但这个装置也开始实现智能化了。

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So Pieter Hoff has invented a simple plastic device called the Groasis Waterboxx.

VOA: special.2010.07.13

That's what we wanna achieve with Kindle, to have a device, so simple, it's a tool that would disappear and let you enter the author's world.

这就是我们想要通过Kindle达到的目标，设计一种简单的装置，自己消失的同时,能够让读者进入作者的世界。

普林斯顿公开课 - 领导能力简介课程节选

Within the framework of Creative Cloud, a simple device like the Mighty pen becomes very powerful and useful.

FORBES: Adobe Rethinks The Power Of The Pen With Project Mighty

Take a look at the Spark Device project on Kickstarter (link at top of post) and imagine how useful it would be to control your lights with a simple device and app.

FORBES: Reinvent The Light Bulb With Spark Devices

What I'm talking about is a service costing just a few hundred rupees a month, and a simple access device which lets people e-mail, chat and get alerts on specific events which happen.

CNN: ASIANOW - TIME Asia | Conversations: 'I Want to Make a Difference'