名词
中文翻译：回音边缘
同义词：
['echo edge', 'echo boundary例句：1. The sound of the waves on the shore is a ringing margin of the ocean.（海浪拍打岸边的声音是海洋的回音边缘。）2. In the distance', 'we could hear the ringing margin of the mountains.（在远处，我们能听到山峦的回音边缘。）']
例句：
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1. The sound of the waves on the shore is a ringing margin of the ocean.
海浪拍打岸边的声音是海洋的回音边缘。
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2. In the distance, we could hear the ringing margin of the mountains.
在远处，我们能听到山峦的回音边缘。
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3. The echoes from the forest were like a ringing margin, drawing us closer to the heart of nature.
森林中传来的回声像是一道回音边缘，吸引着我们更靠近大自然的中心。