aer·o·dy·nam·ics /ˌeərəʊdaɪˈnæmɪks $ ˌeroʊ-/ noun 1. TT[uncountableU] the scientific study of how objects move through the air 空气动力学 2. TT[plural] the qualities needed for something to move smoothly through the air 空气动力特性
n In meaning 1, aerodynamics is followed by a singular verb: Aerodynamics is an important science in vehicle design.
In meaning 2, aerodynamics is followed by a plural verb: The car’s aerodynamics are very advanced.