Wooden splinters, trees, metal cars, and even animals can all become a swirling vortex of death traveling at speeds of several hundred miles an hour.

木头碎片、树木、金属汽车，甚至动物，都能以每小时几百英里的速度成为死亡的漩涡。

One of the most important advantages of large-scale 3D printing for the automotive industry could be the manufacture of molds and dies for sheet metal car body parts, usually a critical production bottleneck.

3D大规模打印对于汽车业来说最重要的优势在于车身钣金部分的模具生产，这通常是制造业中关键的瓶颈。