These thin bilayer films are layered onto both sides of a piece of ordinary paper, which serves as both the structural support of the battery as well as the electrode separator.
这些很薄的双层薄膜放在普通纸张的两面，纸张既是电池的支撑结构，同时也起到分离电极的作用。
2
Did you know Edison invented wax paper, fire alarms, the battery and motion pictures?
你知道是爱迪生发明了蜡纸、火警警报器、电池和电影吗？
3
Take out the battery and the SIM card (the portable memory card) and dry them off with a paper towel.