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中学科技2017年第11期  文章正文

Auto—focus Eyeglasses

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  with round lenses set in super-thick frames, these new eyeglasses look like they belong on a cartoon character. but what they lack in style, they make up for in (a) s design. their lenses are made of glycerin (甘油) — a thick, colorless (1) l — encased in clear rubber. and without effort, they w ……阅读全文

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