The ink works by creating something like an electric circuit on the skin.

墨水的工作原理是在皮肤上产生类似路的东西。

If you wanted to build a simple electric circuit, we have got a lemon clock.

如果你想建造一个简单的路，我们有一个柠檬钟。

They make contact with the non-metal part of an electric circuit (those protein wires).

与路的非金属部分（那些蛋白质丝）接触。

One of the coolest things I've done is building a simple electric circuit in school. It was awesome to see how connecting a few wires and batteries could actually light up a bulb.

我做过的最酷的事之一是在学校里搭建了一个简单的路。看到几根池居然能点亮一个灯泡，真是太棒了。

Today our lives are filled with electronic devices, all of which have electric circuits inside, designed to perform specific useful tasks.

如今， 我们的生活充斥着各种子设备，它们内部都装有路，旨在执行特定的有用功能。

When quartz crystals are hooked up to special electric circuits, they vibrate 32,768 times every second.

当石英晶体连接到特殊路时，它们每秒会振动 32,768 次。

Electric circuits are built from a number of basic units like resistors, capacitors and inductors to produce a range of complex behaviours.

路由多种基本元件如阻器、容器感器构成，以实现各种复杂功能。

I had to put systems engineering somewhere on this map, and this made the most sense to me because many applications involve electric circuits.

我必须在这个图为系统工程找个位置，而这样做对我来说最有意义， 因为许多应用都涉及路。