名词
中文翻译：双重充电的铃铛
同义词：
['多充式铃声例句：1. The double-charging bell was used to signal the arrival of a train.（这个多充式铃声用来提示火车的到来。）']
例句：
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1. The double-charging bell was used to signal the arrival of a train.
这个多充式铃声用来提示火车的到来。
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2. The double-charging bell is an important tool for signaling in emergency situations.
这个多充式铃声是紧急情况下的重要信号工具。
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3.The double-charging bell was designed to be easily heard over other noises.
这个多充式铃声被设计成在其它噪音中容易被听到。