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吻切椭圆
meaning in English
osculating ellipse
Related Words
椭圆凸缘
吻突
冰吻
裸吻
死吻
吻新娘
吻击
卖吻记
吻蚓科
法兰西之吻
吻切历元
吻切平面
吻球
吻软骨
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