名词
中文翻译：充电器
同义词：
['power bank', 'battery charger例句：1. The laptop needs to be charged before it can be used.（笔记本电脑需要充电才能使用。）']
例句：
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1. The laptop needs to be charged before it can be used.
笔记本电脑需要充电才能使用。
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2. The power bank is the perfect solution for my travel needs.
这款移动电源是我旅行的理想选择。
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3. The battery charger has been working perfectly for the past few days.
电池充电器在过去几天里一直工作得很好。