But now we have these amazing, futuristic composites -- plastics that change shape, paints that conduct electricity, pigments that change color, fabrics that light up.
但现在我们有了这些充满神奇和未来色彩的复合材料- 如可以变形的塑料、 可以导电的油漆、 可以变色的颜料和可以发光的织物。