名词
中文翻译：第二次声音
同义词：
['secondary sound', 'second tone例句：1. The second sound of the bell is a warning to us.（钟的第二次响声是对我们的警告。）2. The second sound of the piano is often used to express emotion.（钢琴的第二次声音经常用来表达情感。）']
例句：
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1. The second sound of the bell is a warning to us.
钟的第二次响声是对我们的警告。
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2. The second sound of the piano is often used to express emotion.
钢琴的第二次声音经常用来表达情感。
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3.The second sound of the wind is the rustling of leaves.
风的第二次声音是树叶的沙沙声。