名词
中文翻译：沉默
同义词：
['silence', 'mumble', 'stifle例句：1. She was too shy to speak up in class.（她太害羞了，不敢在课堂上发言。）']
例句：
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1. She was too shy to speak up in class.
她太害羞了，不敢在课堂上发言。
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2.The teacher's words were lost on the students.
老师的话学生们听不见了。
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3. The silence was broken by a cough from the patient.
病人咳嗽了一声打破了沉默。