The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the ground.
冲击波形成了一个由压缩气体分子构成的圆锥体，它朝四面八方向外和向后移动，一直延伸到地面。
2
As the shockcone gets wider, and it moves outward and downward, its strength is reduced.
随着冲击波的圆锥体变得越来越宽，并且不断向外向下移动，它的强度不断减弱。
3
But this cloud created by a U.S. Navy Super Hornet off the Peruvian coast is known as a 'shock collar' or 'vapour cone', created in certain atmospheric conditions at high speeds.