So, a 3-D printer builds up whatever shape you want, layer by layer by layer.

3D打印机一层一层地打印出你想要的任何形状。

It then grows up layer by layer.

然后一层一层地长大。

Once the site has been excavated and foundations are printed, these structures are manufactured layer by layer by layer.

工地动工、地基设计完成之后，这些结构就会被 一层一层地搭建起来。

He used more like a wash, which he applied thin layer by layer.

他使用的更像是洗剂，一层一层地薄敷。

Building it up layer by layer — until you've got quite a lot of height.

一层一层地挤出来，直到挤得高高的。

Traditionally, 3-D printing works by fusing metal powder together layer by layer with a laser.

传统上，3D打印的工作原理是将金属粉末融化，并在激光的作用下，一层一层粘合起来。

Excavating those salts, layer by layer, should provide a timeline of animal populations at the site.

一层一层地挖掘这些盐，应该可以提供该地点的动物种群时间表。

And just like any other object, these organs are reproduced layer by layer, specifically designed for each individual.

就像其他物体一样，这些器官是一层一层地复制，专门为每个个体设计。

To manufacture these integrated circuits, the transistors are built up layer by layer, on a pure crystalline silicon wafer.

为了制造这些集成电路，晶体管需要在纯晶体硅片上一层一层地组装起来。

The layer by layer process leads to defects in mechanical properties, and if we could grow continuously, we could eliminate those defects.

积层叠加的制造工艺使得机械性能存在缺陷，如果能实现无间断制造， 就可以消除这些缺陷。

Let's draw Sybil's jupe-culotte look layer by layer.

- 让我们逐层画出西比尔的紧身裙裤造型。

Let's draw Mary's look layer by layer.

- 让我们一层一层地画出玛丽的样子。

Let's draw this gown layer by layer.

- 让我们逐层绘制这件礼服。

So let's draw the Queen's look layer by layer.

- 所以让我们一层一层地画出女王的样子。

It then deposits these food inks line by line, and layer by layer, according to the electronic recipe, until the finished product is made.

打印机根据电子食谱把食物墨水逐行，逐层地沉下来，直到制成食物成品。

The process looks like toothpaste being put onto a toothbrush, as the printer builds up the house layer by layer along an exact path.

这个过程看起来就像牙膏被挤到牙刷上一样，因为打印机沿着精确的路径一层一层地建造房屋。

Now, let's break this look down layer by layer.

现在，让我们逐层分解这个外观。

Let's draw the wedding dress layer by layer.

- 让我们逐层绘制婚纱。

Or the industry could unravel from the top down, layer by layer like a knitted scarf.

或者，该行业可能会像针织围巾一样从上到下逐层分解。

This procedure has mostly been replaced by laser resurfacing, which uses laser pulses to remove skin layer by layer until the scar has smoothed out.

这种疗法基本上已经被激光疗法所取代了，激光疗法是用激光脉冲一层一层地除去皮肤细胞直到疤痕被消除。