名词
中文翻译：视频单元
同义词：
['video segment', 'video clip', 'video segment']
例句：
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1.The teacher showed us a video-unit about the history of the country.
老师给我们展示了一个关于该国历史的视频单元。
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2.The student was asked to create a video-unit on environmental protection.
学生被要求制作一个关于环境保护的视频单元。
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3. The company has launched a new product with a video-unit that highlights its features.
该公司推出了一款新产品，其视频单元突出了其特点。