parachute ground trainer

例句：

1. 1. The pilot had to jump out of the plane using a parachute.
   飞行员不得不从飞机上跳伞。
2. 2. Parachuting is an exciting sport that requires good physical fitness.
   跳伞是一项令人兴奋的运动，需要良好的身体素质。
3. 3. The parachute was deployed just as the pilot landed safely.
   当飞行员安全着陆时，降落伞被释放了。