Technologies like directional drilling, where no longer we can just drill straight down, but instead we can actually turn and steer drill bits to reach very precise and specific locations in the subsurface, miles underground.

像导向掘这种技术，当我们无法直直向下掘时，我们可以改换成转动并控制头，非常精确地到达地下数英里的确。

This is one of the drill bits.

这是其中个头。

Of course, you already knew that when you bought me this princess-cut drill bit.

当然了，这点早在你给我买这枚公主方头戒时就悟透了。

Then, like a surgeon gazing down on his instruments, his eyes move searchingly over his drill bits.

如同外科大夫用睛挑选手术刀，他用睛挑选头。

You can see in closed-loop systems how useful it is to be able to turn and steer that drill bit, right?

你可以看到，在闭路系统中，若能转动、控制头就会很有帮助，是吗？

Oh, no, not at all. No, we, uh, found a place online that, uh, repurposes diamond drill bits.

不，点都不贵。我们在网上找到家店能将金刚头改成。

He goes to his toolshed, gets out his hammer-action drill and his box of drill bits.

于是他走进自己的储藏室，拿出冲击和盒头。

Shakes his head, decides that it doesn't feel at all right, and changes the drill bit.

摇摇头，感觉不对头，换头。

Ove goes to get his box of drill bits.

欧维拿来装头的盒子。

Puts back the hammer-action drill and the drill bits in their cases then goes out and puts everything back in the shed.

把冲击和头都收进盒子，出门把所有东西都放回储藏室。

A drill, drill bits, and drywall anchors are probably my most used tools.

电、头和干墙锚可能是我使用最多的工具。

I wanted to drill down a bit into the details.

我希望能深入探究下细节。

My khakis and assorted drill bits are here.

我的卡其裤和各种头都在这儿。

Let's drill down into this a little bit.

让我们深入研究下这个。

A really deep hole takes gumption, and also special equipment, over 50 kilometers of pipes, countless drill bits, a bunch of mud, 200 tons of string, and so much money.

口真正深的井需要勇气，还需要特种设备、超过5万米的管材、无数头、大量泥浆、200吨的钢丝绳，以及巨额资金。

Before you continue, I just wanted to drill into that idea just a little bit, because I think it's a really interesting one.

在你继续之前， 我只是想稍微深入下这个想法，因为我觉得它非常有趣。

We call the little piece of metal that you use to drill into a wall a " drill bit" .

我们称用来墙的小金属件为“头”。

They've got two tails and a drill bit for head.

它们有两条尾巴头上有。

Nothing below the surface, like the -- What -- Is it a drill bit?

地下的呢，比如... 头之类的？

They're used to make certain tools like drill bits for working on rock or something hard like that, where you need tools made out of a harder material than rock.

它们用于制造某些工具，例如用于在岩上工作的头或类似坚硬的东西，您需要由比岩更硬的材料制成的工具。