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凸透镜
凸透鏡
tūtòujìng
1. convex lens

Character Breakdown

凸
tū
to protrude, to bulge out; convex
HSK 6 5 丶
透
tòu
to pierce, to penetrate, to pass through; thorough
HSK 5 10 丶
镜
jìng
mirror, glass; lens, glasses
HSK 4 16 丶

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Category
Chinese