n.航空刹车装置; 用刹车装置使飞机制动
Over the next seven months, the orbiter will "aerobrake," dipping into Mars' atmosphere and gradually changing its elliptical orbit into a near-circle about 185 miles above the planet's surface. 麦克尤恩说，在这个较低的轨道上，科学家们甚至能够看清火星表面上3英尺(1米)宽的物体。
