off the ground

• adj. 已开始的(在进行中)

off the ground的用法和样例：

例句

1. A natural three-beat gait of a horse, faster than a canter, in which all four feet are off the ground at the same time during each stride.
   疾驰，飞奔马的自然的三步跑法，比慢跑快，在每次迈步时马的四蹄都同时离开地面
2. As the air craft moves forward, the air flowing over the wings produces lift to raise the aircraft off the ground, and keep it in the air.
   当飞机向前移动时，机翼上方的气流产生向上的力使飞机飞离地面保持在空中不坠。