Late last year, Organovo, a biotech company in San Diego, began distributing the first commercially available body-part printer.Yes, you read correctly: a printer for body parts.

去年晚些时候，圣地亚哥的生物科技公司——新器官公司开始经销第一种可商用的身体部分打印机。

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Organovo’s 3D bio-printer works in a similar way to some rapid-prototyping machines used in industry to make parts and mechanically functioning models.

欧加南墨机器的原理和一些企业界用来制造零件及机械运转模型的快速原型机类似。

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Organovo's 3d bio-printer works in a similar way to some rapid-prototyping machines used in industry to make parts and mechanically functioning models.

欧加南墨机器的原理和一些企业界用来制造零件及机械运转模型的快速原型机类似。

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No one is known to have created an entire working firearm with a 3-D printer, although usable parts of one reportedly have been printed.

CNN: Obama's speech highlights rise of 3-D printing

Prof James Scanlan, of Southampton University's department of engineering and environment, is developing larger UAVs containing low-cost nylon parts produced by a 3D printer.

BBC: Sky high thinking: Could we all soon own a drone?

Instead of going off the shelf, doctors turned to a 3D printer from Stratasys to create custom molded parts and a lightweight vest for Emma.

ENGADGET: 3D printed 'Magic Arms' give a little girl use of her limbs