单词	rumpy-pumpy
释义	请查阅词条：rumpy pumpy
随便看	optical bistability optical brightener optical cavity optical center optical centre optical character reader optical character recognition optical comparator optical dating optical density optical disc optical disk optical double optical drive optical fibre optical fibres optical flat optical glass optical illusion optical illusions optical indicatrix optical isomer optical isomerism optical isomerism opticality 南乐南亚南京大屠杀南北南北朝南半球南味南回归线南国南宋 Bremsbackenweg Bremsbackenzylinder Bremsband Bremsbandbelag Bremsbandgesperre Bremsband_Imprägnierungsmittel Bremsbandkupplung Bremsband_Montagemaschine Bremsbandreibungskupplung Bremsbandschaltung