aer·o·naut·ics
noun/ˌeərəˈnɔːtɪks/
/ˌerəˈnɔːtɪks/
[uncountable]- the science or practice of building and flying aircraft
航空学；飞行学；飞行术 Word Originearly 19th cent.: from modern Latin aeronautica ‘matters relating to aeronautics’, from Greek aēr ‘air’ + nautēs ‘sailor’.