Cool Invention炫酷發(fā)明
2019-09-10 07:22:44
閱讀(快樂英語高年級) 2019年2期
This is Power Pen. It is a pen. You can use it to write. But it is not only a pen，it’s also a portable charger（移動電源）. You can use it to charge（給……充電） your phone.
This is Power Pen. It is a pen. You can use it to write. But it is not only a pen，it’s also a portable charger（移動電源）. You can use it to charge（給……充電） your phone.
