noun🔗Share火箭技术，火箭学 The making and launching of rockets, its science and practice."My sister is studying rocketry at university and hopes to design spaceships one day. "我姐姐在大学学习火箭技术，希望有一天能设计宇宙飞船。technologysciencephysicsspacevehicletechnicalChat with AIVocabulary GamePractice Reading
