名词
中文翻译：镜头
同义词：
['eyepiece', 'eyepiece lens']
例句：
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1. The camera has a built-in lens for taking close-up shots.
相机内置镜头用于拍摄特写镜头。
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2. The scientist used a special lens to capture the image of the star.
科学家使用特殊的镜头捕捉那颗星的图像。
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3. The lens is responsible for focusing light onto the sensor.
镜头负责将光线聚焦到传感器上。