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电路的东西。

When something pushes hard enough, the layers connect, completing the electric circuit.

有足够大的力量推动时， 各层就会连接起来，完成电路。

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电路，我们有一个柠檬钟。

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

与电路中的非金部分（那些蛋白质丝）接触。

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

石英晶体连接到特殊电路时，它们每秒会振动 32,768 次。

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电子设备，它们内部有电路，旨在执行特定的有用功能。

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

电路由多种基本元件如电阻器、电容器和电感器构成，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.

我必须在这个图中为系统工程找个位置，而这样做对我来说最有意义， 因为许多应用涉及电路。

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.

我做过的最酷的事情之一是在学校里搭建了一个简单的电路。看到几根电线和电池居然能点亮一个灯泡，真是太棒了。