Today we are making metals that are lighter than Styrofoam, so light they can sit atop a dandelion puff and be blown away with a wisp of air -- so light that you can make a car that two people can lift, but so strong that it has the crash-worthiness of an SUV.
如今我们制造 比发泡胶还轻的金属 很轻 能架在一个蒲公英蓬蓬上 轻轻一吹 便吹走了—— 很轻 你可以制造一辆两个人就能抬起来的轿车 但很强大 它具备越野车的耐撞性。