这项技术使用笔来操作计算机。

The technology uses a pen to manipulate a computer.

《柯林斯英汉双解大词典》

下次，当我们想在提供免费 WiFi 网络的公共场所使用笔记本电脑或智能手机时，请三思而后行或者在使用之前采取安全措施。

Next time, when we want to use our laptops or our smartphones in public places which offer free WiFi networks, please think it twice or take safe measures before using them.

youdao

在主楼层这里有一片很宽敞的区域可供使用笔记本电脑，也可以给电脑充电。并且，我们所提供的网络连接可以覆盖到馆内的每一个座位。

There is a whole area here on the main floor where you can bring a laptop and plug it in for power but on top of that we also have a connection for the internet at every seat.

youdao

Now, if you guys are using your computer or you have a pen, I'd just like you to write down what your estimates are of a few foods I'll show you and see what you say.

使用你们的电脑,或者拿起支笔,请写下对以下我展示的一些食物,卡路里的估测,让我们看看结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Also, what's the energy per photon of this red laser pointer, and then it's also worth trying a calculation dealing with intensity. So let's also try calculating the numbers of photons that would be emitted by this laser pointer, if, for example, we were to use it for 60 seconds and this were a one milliwatt laser.

同样，红色激光笔的,每个光子能量是多少，这也值得用处理强度的方法计算一下,让我们也计算一下,有多少光子会从这个激光笔射出，举个例子，如果我们使用它持续60秒,这里会有一毫瓦的激光。

麻省理工公开课 - 化学原理课程节选