Cell phones, laptops and the like all come with Li-Ion batteries built in because they can handle the high-energy draws of these devices without weighing ton.是什么意思_Cell phones, laptops and the like all come with Li-Ion batteries built in because they can handle the high-energy draws of these devices without weighing ton.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句