名词
中文翻译：声线
同义词：
['voice line', 'sound path']
例句：
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1.The sound of the waves echoed across the beach.
海浪的声音在沙滩上回荡。
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2.The sound line is crucial for wildlife conservation.
声音线对于野生动物保护至关重要。
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3. The sound line was so clear that we could hear each other's footsteps.
声音线如此清晰，我们能听到彼此的脚步声。