名词
中文翻译：初级电池
同义词：
['primary cell', 'primary unit例句：1. The new car has a primary battery that lasts for several hours.（这款新车有一个可以持续几小时的初级电池。）']
例句：
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1. The new car has a primary battery that lasts for several hours.
这款新车有一个可以持续几小时的初级电池。
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2.The old radio had a primary battery that was difficult to replace.
旧收音机有一个难以更换的初级电池。
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3. The power station uses a primary battery as its main source of energy.
发电站使用一个初级电池作为其主要能源来源。