动词
中文翻译：低声说话
同义词：
['mumble', 'whisper', 'murmur例句：1. She subvocalized her thoughts to herself.（她低声自言自语。）']
例句：
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1. She subvocalized her thoughts to herself.
她低声自言自语。
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2.The teacher whispered instructions to the students.
老师对学生小声地讲解。
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3. They murmured about their plans for the evening.
他们低声讨论晚上的计划。