名词短语
中文翻译：延长的飞行同义词
同义词：
['extended flight', 'prolonged flight']
例句：
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1. The pilot had to make a protracted flight to reach his destination.
飞行员不得不进行一次延长的飞行才能到达目的地。
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2. During the long flight, they lost their sense of time and direction.
在漫长的飞行中，他们失去了时间感和方向感。
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3. The protracted flight took them through many different weather conditions.
这次延长的飞行让他们经历了许多不同的天气条件。