名词
中文翻译：演讲者效率同义词
同义词：
['speaking efficiency', 'speaker performance efficiency']
例句：
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1. The speaker's efficiency in delivering the presentation was impressive.
演讲者的演讲效率令人印象深刻。
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2. The speaker's performance efficiency is crucial for the success of the event.
演讲者的表现效率对于活动的成功至关重要。
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3. To improve speaker efficiency, we need to focus on improving our communication skills.
为了提高演讲效率，我们需要专注于提高我们的沟通技巧。