If we had solar roads absorbing sunlight and generating electricity, they could transmit it to battery-powered cars as they drive along at highway speeds.
如果我们建好了依靠吸收阳光发电的高速公路，电能就能够在高速公路上行驶的时候转移到电能汽车上。
2
To keep the battery charged, it requires exposure to 10 hours of indoor light each day or 1.5 hours of sunlight.
为给电池充电，须达到每天10小时的室内光照或1.5小时的日照时间。
3
A solar battery traps sunlight and converts it into electrical energy.