名词
中文翻译：镜头
同义词：
['viewing screen', 'lens']
例句：
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1.The camera has a built-in eye piece for easy viewing.
这款相机内置了目镜，方便观看。
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2. The scientist used an eye piece to observe the experiment.
科学家使用目镜来观察实验。
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3.She adjusted her eye piece to get a better view of the scene.
她调整目镜以便更好地观察场景。