改变路线
3.a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course.
4.Barbour said if Hurricane Ernesto, which is now over the Caribbean, changes course and appears headed for the Gulf Coast, he will order an evacuation on Tuesday.
9.The pilot of the balloon has control of the altitude (how high or low the balloon flies) and can alter its course by finding an air mass going in a slightly different direction.
10.A controlled change in movement or direction of a moving vehicle or vessel, as in the flight path of an aircraft.
