Heralded by advancements in piezoelectric nanowires, the development may one day harness the flow of blood to power ipods, cellphones and other portable electronics.
The fast kind, like the sudden ubiquity of ipods, or the proliferation of music-sharing sites on the Net, seems to instantly reshape the cultural landscape.
無論是衣服，書還是ipods，買二手的和翻新的可以讓你從標價籤裏節約一大筆錢。
在壓電納米管方面的成就預示着將來能利用血流來給ipods、手機和其他移動電子設備供應能量。
但是在西方，現代化的交流方式使短波市場不斷縮水，節目的傳播大多依靠調頻，因特網和無線連接的ipods。
