名词
中文翻译：半自动幻灯片放映机同义词
同义词：
['semi-automatic projector', 'automatic slide projector']
例句：
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1. The semi-automatic slide projector is a great tool for presentations.
这个半自动幻灯片投影仪是演示的好工具。
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2. The teacher used the automatic slide projector to explain the complex math problem.
老师使用自动幻灯片投影仪来解释复杂的数学问题。
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3. The students were amazed by the high-quality images produced by the projector.
学生们对投影仪产生的高质量图像感到惊讶。