aerobics-aerodynamics-kinetic

aerobics[eˈroʊbɪks]
I'd like to join an aerobics class to improve my fitness.
我想参加有氧运动训练班来增强体质。
aerodynamics http://www.etthink.com/thread-284711-1-1.html
Research on Computer Animation and Simulation Based on Aerodynamics
基于空气动力效应的计算机动画仿真研究
kinetic
kin(e), kinemat(o), kines, kinet(o)= to move 运动
kinetic adj. 运动的；动力学的
kine 运动 + tic 属于…的 → 运动的；动力学的

aeroplane