动词短语
中文翻译：低声说
同义词：
['murmur', 'murmur', 'whisper例句：1. She mutteredto herself as she walked through the park.（她边走边低声自言自语。）']
例句：
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1. She mutteredto herself as she walked through the park.
她边走边低声自言自语。
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2. The old manwhispered a secret to his grandson.
老人对孙子小声说了一句话。
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3. They murmured their agreement inhushed tones.
他们低声地表示同意。