He put the heart in the Woodman's breast and then replaced the square of tin, soldering it neatly together where it had been cut.

他把这心装进铁皮人的胸膛里，最后，再把割开过的地方，焊上一方马口铁，就这样一切完备了。

And it's cleaner, and it's one whole piece of metal rather than multiple parts of metal that are either soldered together or bolted together.

而且它更清洁，它是一整块金属，而不是焊接在一起或用螺栓固定在一起的多个金属部分。

I printed one of these and hacked the thing that they glued into there as part of a USB connector, so you can just cut this up, solder the two pins together.

我打印了其中一个，然后破解了它们作为 USB 连接器的一部分粘在那里的东西，所以你可以把它剪下来，将两个引脚焊接在一起。