(fast foot steps) Have you, have you seen a car before?

（快步）你，你以前见过汽车吗？

The power needed for these various functions is supplied by nanowires embedded throughout the clothing material that capture solar energy and generate electricity from foot steps.

这些不同功能所需的电力由嵌入整个服装材料的纳米线提供，这些纳米线捕获太阳能并从脚步声中发电。