名词
中文翻译：充电孔
同义词：
['battery hole', 'battery port', 'power hole']
例句：
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1.The phone has a charging port on the back.
手机背面有一个充电口。
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2.The battery needs to be replaced after several charges.
电池需要经过几次充电后更换。
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3. The car has a power hole in the trunk.
这辆车的后备箱有一个充电口。