jìng / tóu / biān / yuán / de / jī / biàn / huì / ràng / zhí / xiàn / kàn / qǐ / lái / yǒu / xiē / wān / qū镜头边缘的畸变会让直线看起来有些弯曲。Distortion at the edge of the lens can make straight lines look curved.