名词
中文翻译：回声
同义词：
['reverberation', 'resonate']
例句：
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1. The sound of the waterfall echoes through the valley.
瀑布的声音在山谷中回荡。
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2. She listened carefully to the echoes of her own thoughts.
她仔细倾听自己思绪的回声。
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3. The music had a haunting echo that made me feel uneasy.
音乐有一种令人不安的回音。