Time machines are commonly seen in science fiction films and books, but no one knows how to build one.

时间机器在科幻电影和书籍中经常见到，但是没有人知道怎样制造出一台。

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We solved this problem by developing time machines that let us travel to the future to see what was in store for us.

然而，通过开发“时光机”——一台可以让我们穿越时空，看清未来将要发生什么的机器——解决了我们的难题。

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It turns out that the author who wrote of time machines, invisibility and utopia was too conservative in his estimation of English.

结果是，这位写过时光机、隐形人和乌托邦的作家对英语的预测还是太过保守。

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But in time, huge machines were built that could wash many tons of dirt at a time.

VOA: special.2010.04.25

We differ from lower animals and our brains, which are much more capable of storing and processing information, but we're living in a time of revolution when machines are challenging or competing with our brains.

我们不同于其他低等动物，我们的大脑更能够存储和处理信息，不过身处改革年代,机器开始挑战甚至是,和我们的大脑开始竞争。

耶鲁公开课 - 金融市场课程节选

As time goes on, we've developed ever more complex machines to study people and we've talked about some of these already: EKG machines, so an example of an electrical device that can be used to monitor a very elaborate function deep inside your body, the beating of your heart and the rhythm of your heart.

如今,我们已经有功能更加复杂的设备,来研究人类,比如之前说到的心电图,我们使用电子装置,对身体内部机能进行精确地监控,具体到心电图就是心跳和心率

耶鲁公开课 - 生物医学工程探索课程节选

Watching the new series unfold, millions of spectators travel through the ages, their minds turned time machines, recalling the excitement and the anguish of previous episodes.

CNN: ASIANOW - TIME Asia

If wormholes exist, they could be adapted to make time machines that send you into the future if you traverse them in one direction, but into the past if you go in the other direction.

CNN: Time travel: Can it really be done?

Up until the Chromebook Pixel arrived, Google had pushed its notebooks as cheap, first-time or secondary machines.

FORBES: Google To Launch Android-Powered Notebook In Q3 2013