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convex lens /kɒnvˈɛks ˈlɛnz/ n

中文：凸透镜

中文 · 凸透镜Español · lente convexaFrançais · lentille convexe
Meaning：Corrects hyperopia by causing light rays emanating from an object to converge and project an image onto the focus of the retina. contact lenses
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Convex lens

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