high-altitude bombing

例句：

1. 1. The military used high-altitude bombing to destroy enemy positions.
   军队使用高空轰炸摧毁敌方阵地。
2. 2. The pilots were trained for high-altitude bombing missions.
   飞行员接受了高空轰炸任务的训练。
3. 3. The air force conducted a high-altitude bombing exercise in the desert.
   空军在沙漠中进行了一次高空轰炸演习。