名词
中文翻译：演示剧
同义词：
['demonstration', 'performance']
例句：
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1. The teacher demonstrated the new method to the students during the class.
老师在课上向学生演示了新的教学方法。
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2. The dancer performed a beautiful ballet at the opening ceremony.
舞者在开幕式上表演了一场优美的芭蕾舞。
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3. The actor gave a demonstration of his acting skills during the filming.
演员在拍摄期间展示了他的演技技巧。