If something such as a car has an aerodynamic shape or design, it goes faster and uses less fuel than other cars because the air passes over it more easily. (汽车等) 流线型的
adjective [原级]空气动力学的,[航] 航空动力学的
The secret of the machine lies in the aerodynamic shape of the one-piece, carbon-fibre frame. 该机器的秘密在于其一体式碳纤维外壳的流线型设计。