名词
中文翻译：电池盒
同义词：
['battery pack', 'battery pack', 'rechargeable battery']
例句：
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1. The new phone has a rechargeable battery that lasts for several days.
这款新手机有一个可充电的电池，可以持续使用几天。
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2.The power bank is designed to charge multiple devices simultaneously.
这款移动电源设计用来同时为多个设备充电。
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3. The old car had a dead battery, so we had to jump-start it using a friend's car.
这辆旧车没电了，所以我们不得不用朋友的车来跳火启动它。