It can change between a superconductor a material that conducts electricity, and an insulator a material that doesn't conduct electricity 它可以在超导体(一种能导电的材料)和绝缘体(一种不导电的材料)之间转变。
"It is the greatest insulator we've ever seen," he said. “这是我们见过的最好的隔热材料”,他说。