English中文
converging lenses /ˈkɒmən ˈkəʊstəl ˈfiːtʃəz/ n

中文：凸透镜

中文 · 凸透镜
Meaning：Thicker in the center than on the edges; they cause parallel light rays emanating from an object to converge onto the same point.
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Convex lens

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