名词
中文翻译：幻灯机
同义词：
['projector', 'projector', 'projection']
例句：
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1. The phakoscope was used to show the images on the screen.
幻灯机被用来在屏幕上显示图像。
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2. The teacher demonstrated how to operate the phakoscope.
老师演示了如何使用幻灯机。
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3. The phakoscope helped us to understand the complex concepts better.
幻灯机帮助我们更好地理解复杂的概念。