名词
中文翻译：活塞式电话机同义词
同义词：
['pistolphone', 'piston-phone']
例句：
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1. The pistonphone was a revolutionary invention that changed the way we communicated.
活塞式电话机是一项革命性的发明，改变了我们沟通的方式。
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2. The pistonphone was used in remote areas where there was no access to electricity.
活塞式电话机在没有电力供应的偏远地区被使用。
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3. The pistonphone was an important tool for communication during World War II.
活塞式电话机是二战期间进行通信的重要工具。