名词短语
中文翻译：变焦镜头的透镜
同义词：
['lens', 'lens system例句：1. The camera has a lens of variable focal length that allows for close-up shots.（这台相机有一个可变焦距的透镜，可以用于近距离拍摄。）']
例句：
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1. The camera has a lens of variable focal length that allows for close-up shots.
这台相机有一个可变焦距的透镜，可以用于近距离拍摄。
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2. The lens of the telescope is crucial for observing distant objects.
望远镜的透镜对于观察远处物体至关重要。
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3.The lens of the microscope magnifies small objects to make them appear larger.
显微镜的透镜将小物体放大，使其看起来更大。