使升空，使漂浮：升起或使升起和漂浮在空中，似乎无视重力。
To rise or cause to rise into the air and float in apparent defiance of gravity.
这位飞行员的确使飞机升空了。
如果空中交通管制系统能够得到改编，使飞行员可以更为有效地驾驶飞机，减少延误，飞机一旦升空就可以节约更多的燃料。
Once airborne, the aircraft could save more fuel if air-traffic control systems were reorganised, enabling the pilot to navigate more efficiently and cutting down on delays.
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