charging portion

例句：

1. 1. The battery inthis device is designed to charge the device's internal components.
   这款设备中的电池设计用来给设备内部组件充电。
2. 2. The engineers are working on a new model thatwill have a charging portion that can beeasily accessed.
   工程师们正在研究一款新模型，该模型有一个易于访问的充电部分。
3. 3. The company has announced that it willintroduce a new product with a charging portionthat is more efficient than its previous models.
   该公司宣布将推出一款新产品，其充电部分比之前的型号更高效。