Some US Schools Getting Electricity from the Sun

音频下载[点击右键另存为]

solar panel - n. a large, flat piece of equipment that uses the sun's light or heat to create electricity

advanced - adj. having or using new and modern methods

efficient - adj. capable of producing desired results without wasting materials, time, or energy

display - n. an arrangement of objects intended to decorate, advertise, entertain, or inform people about something