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驾驶飞机打气球不容易,这恐怕是很多人难以理解的,战胜病魔又重返蓝天也是很难做到的,一个老飞行员就曾经历过这些不寻常的事情。
It is not easy to fly a balloon to fly a plane. This is probably something that many people find hard to understand. It is also very hard to overcome the illness and return to the blue sky. An old pilot has experienced these unusual things.