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

墨水工作原理是在皮肤上产生类似电路东西。

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

当有足力量推动， 各层就会连接起来，完成电路。

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

它们与电路非金属部分（那些蛋白质线）接触。

You took a slice of a silicon disk and printed on top of it in absolutely minuscule form circuits and little electric circuits with transistors and wires.

拿了一片硅盘， 在上面印上了绝对微小电路和带有晶体管和电线小电路。

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.

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