名词
中文翻译：飞行钟
同义词：
['flying timepiece', 'flying clockwork', 'flying clockwork mechanism']
例句：
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1. The clockis a flying clock that can tell the time even when it's not visible.
这个时钟是一个飞行钟，即使它不可见也能报时。
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2. The clock has a flying clockwork mechanism that makes it work without batteries.
这个钟有一个飞行钟摆机制，不用电池也能工作。
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3.The flying clockwork mechanism was so complex that only a few people could understand it.
飞行钟摆机制非常复杂，只有少数人能理解。