由于只有当用户翻页时才会耗电，所以采用该技术的装置能让读者连续看20本书而不需要充电。

Because no power is used unless the reader changes the page, devices with the technology could go as long as 20 books between battery charges.

youdao

由于只有当用户翻页时才会耗电，所以采用该技术的装置能让读者连续看20本书而不需要充电。

Because no power is used unless the reader changes the page, devices with the technology could go as long as 20 books between battery charges.

youdao