名词
中文翻译：信号反射
同义词：
['echo', 'reverberation例句：1. The sound of the waves hitting the shore was a signal reverberation.（海浪拍打岸边的声音是声波回声。）']
例句：
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1. The sound of the waves hitting the shore was a signal reverberation.
海浪拍打岸边的声音是声波回声。
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2.The echo from the old building is a reminder of its past glory.
老建筑的回声提醒着它的过去辉煌。
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3.The sound of the wind through the trees creates a unique signal reverberation.
风吹过树林的声音创造了一种独特的声波回声。