名词中文翻译
中文翻译：固定回声
同义词：
['stationary echo', 'stationary echo', 'stationary echo']
例句：
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1.The sound of the stationary echoes through the empty hall.
静谧的回声在空荡荡的大厅中回荡。
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2.The stationary echoes from the distant mountains.
远处山峦的回音。
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3. The stationary echoes were heard throughout the night.
整个夜晚都能听到固定回声。