其轨道速度一定是在每秒几百米。Her orbital speed must be a few hundred meters per second.更为大型的卫星将被送入轨道。Yet bigger satellites will be sent up into orbit.这颗彗星的轨道与地球的轨道交叉。The orbit of this comet intersects the orbit of the Earth....

“轨道”的拼音为：guǐ dào...

“轨道”的英语可以翻译为：track，pathway，orbit，trajectory，path...