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未来人类可能会制造出一种拥有特殊系统的飞船,这种系统一旦启动,飞船就会沿着与其受到引力相反的方向运动,这就是反引力飞船。人类一
In the future, humans may create a spacecraft with a special system. Once this system is started, the spacecraft will move in the opposite direction of its gravity. This is the anti-gravitational spacecraft. Human one