名词
中文翻译：Unknown
同义词：
['projection', 'projection method', 'projectile motion']
例句：
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1. The projector is used to project images onto a screen.
投影仪用于将图像投射到屏幕上。
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2. The scientist used the projector to demonstrate the experiment.
科学家使用投影仪来演示实验。
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3. The projector was used to create a stunning display of fireworks.
投影仪被用来创造一场令人惊叹的烟花展示。