gas.dy.nam.icsn.(used with a sing. verb)(名词)(与单数动词连用)The branch of dynamics that deals with the motion of gases and the thermal effects of this motion.气体动力学:研究气体的运动以及这种运动的热效应的动力学的一个分支【引伸】gas.dynam.icadj.(形容词)gas.dynam.icist