形容词
中文翻译：Unknown
同义词：
['navigable', 'navigable', 'navigable']
例句：
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1.The ship's navigational systems are state-of-the-art.
这艘船的导航系统是最先进的。
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2. The navigational charts were outdated and inaccurate.
这些导航图过时且不准确。
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3.The new satellite navigation system has made travel much more efficient.
新的卫星导航系统使旅行更加高效。