名词
中文翻译：Unknown
同义词：
['curtain speech', 'curtain presentation', 'curtain presentation', 'curtain address', 'curtain talk']
例句：
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1. The curtain lecture was a great success and attracted many students to the event.
幕布演讲取得了巨大成功，吸引了许多学生参加活动。
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2. During the curtain lecture, the speaker discussed the importance of environmental protection.
在幕布演讲期间，演讲者讨论了环境保护的重要性。
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3. The curtain lecture was a powerful message about the need for social change.
幕布演讲是一个关于社会变革需要的信息强有力的信息。