罗氏几何 Traditional 羅氏幾何 Luó shì jǐ hé 🔊 hyperbolic geometry + Keep this word Meanings Luó shì jǐ hé name 羅氏幾何 hyperbolic geometryLobachevskian geometry Its characters 罗luógauze氏shìfamily name几jǐhow many (a few)HSK 1何héwhat