名词
中文翻译：言语行为
同义词：
['utterance', 'speech', 'uttering', 'speaking']
例句：
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1. The speaker's words had aprofound impact on the audience.
说话者的话对听众产生了深远的影响。
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2. The teacherasked the students to raisetheir hands and answer questions.
老师要求学生们举手回答问题。
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3. The presidentdelivered a speech at theopening ceremony of the conference.
总统在会议开幕式上发表了演讲。