名词
中文翻译：Unknown
同义词：
['navigable area', 'navigation zone例句：1. The navigation area is marked with a red dot on the map.（地图上用红点标出了导航区域。）']
例句：
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1. The navigation area is marked with a red dot on the map.
地图上用红点标出了导航区域。
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2.The navigation area is crucial for pilots to navigate safely.
导航区对于飞行员安全导航至关重要。
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3. The navigation area was closed due to bad weather conditions.
由于恶劣的天气条件，导航区被关闭了。