There are three types of airstream reaction engines.空气喷气反作用式发动机有三种.Noise will probably not hurt the airstream.噪音基本上不会影响气流.A westward moving airstream will, therefore, move equatorwards as it passes over the barrier.因此,向西...

airstream的音标：airstream的英式发音音标为：['eəstri:m]airstream的美式发音音标为：['erstrim]...

n.气流（尤指与飞机前进方向相反者）...