名词短语
中文翻译：航线
同义词：
['route', 'course', 'path例句：1. The pilot navigated the line of flight to avoid obstacles.（飞行员导航了航线以避免障碍。）']
例句：
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1. The pilot navigated the line of flight to avoid obstacles.
飞行员导航了航线以避免障碍。
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2. The birdflew along a line of flight to reachits destination.
这只鸟沿着一条飞行路线飞向它的目的地。
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3. The plane'sline of flight was blocked by a mountainrange.
飞机的飞行路线被山脉阻挡了。