Well, remember, batteries supply potential, and then that potential, also called voltage, drops across resistors.

好吧，请记住，电池提供电位，然后该电位（也称为电压）在电阻器上下降。

Technology experts say many of the wearables still have problems. Some devices lack must-have applications, and battery supplies designed to save power.

技术专家称，很多可穿戴设备仍存在问题，有的设备缺少必备的应用和电池节能设计。

Toyota's chief scientist told the FT previously that the automotive industry is very concerned about the industry running out of materials for battery supply.

丰田首席科学家此前告诉《金融时报》，汽车行业非常担心耗尽电池供应材料。