名词
中文翻译：镜头聚焦
同义词：
['lens focus', 'lens alignment']
例句：
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1. Thecamera lens was slightly out of focus dueto the dust in the air.
由于空气中的灰尘，相机镜头有些模糊。
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2. Thescientist used a lens to capture the imageof the distant star.
科学家使用一个透镜来捕捉远处恒星的形象。
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3. Lens alignment is crucial forachieving high-quality images.
透镜对齐对于获得高质量图像至关重要。